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https://github.com/fish-shell/fish-shell
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Rename the 'terminal' flag to 'job_control', make sure fg and bg only considers jobs under job control and make it configurable which jobs are put under job control using the status builtin. Also add an option to the status builtin to print a stack trace.
darcs-hash:20060130175426-ac50b-46fb79797284cb600c67cb19462b53761446f00a.gz
This commit is contained in:
axel
parent
1c6f685522
commit
f59e9baab9
6 changed files with 119 additions and 53 deletions
68
builtin.c
68
builtin.c
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@ -1668,6 +1668,7 @@ static int builtin_status( wchar_t **argv )
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SUBST,
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BLOCK,
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INTERACTIVE,
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STACK_TRACE,
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LOGIN
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}
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;
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@ -1700,6 +1701,22 @@ static int builtin_status( wchar_t **argv )
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L"is-login", no_argument, 0, 'l'
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}
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,
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{
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L"full-job-control", no_argument, 0, 'f'
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}
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,
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{
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L"interactive-job-control", no_argument, 0, 'I'
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}
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,
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{
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L"no-job-control", no_argument, 0, 'n'
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}
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,
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{
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L"print-stack-trace", no_argument, 0, 't'
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}
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,
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{
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0, 0, 0, 0
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}
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@ -1712,7 +1729,7 @@ static int builtin_status( wchar_t **argv )
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int opt = wgetopt_long( argc,
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argv,
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L"hcbil",
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L"hcbilfInt",
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long_options,
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&opt_index );
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if( opt == -1 )
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@ -1751,6 +1768,22 @@ static int builtin_status( wchar_t **argv )
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mode = LOGIN;
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break;
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case 'f':
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job_control_mode = JOB_CONTROL_ALL;
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break;
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case 'I':
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job_control_mode = JOB_CONTROL_INTERACTIVE;
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break;
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case 'n':
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job_control_mode = JOB_CONTROL_NONE;
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break;
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case 't':
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mode = STACK_TRACE;
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break;
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case '?':
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builtin_print_help( argv[0], sb_err );
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@ -1773,7 +1806,13 @@ static int builtin_status( wchar_t **argv )
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case LOGIN:
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return !is_login;
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case STACK_TRACE:
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{
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parser_stack_trace( current_block, sb_out );
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break;
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}
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}
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return 0;
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@ -2047,7 +2086,7 @@ static int builtin_fg( wchar_t **argv )
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*/
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for( j=first_job; j; j=j->next )
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{
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if( j->constructed && (!job_is_completed(j)) && (job_is_stopped(j) || !j->fg))
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if( j->constructed && (!job_is_completed(j)) && ( (job_is_stopped(j) || !j->fg) && (j->job_control)))
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break;
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}
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if( !j )
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@ -2098,6 +2137,17 @@ static int builtin_fg( wchar_t **argv )
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pid );
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builtin_print_help( argv[0], sb_err );
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}
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if( !j->job_control )
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{
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sb_printf( sb_err,
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_( L"%ls: Can't put job %d, '%ls' to foreground because it is not under job control\n" ),
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argv[0],
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pid,
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j->command );
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builtin_print_help( argv[0], sb_err );
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j=0;
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}
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}
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if( j )
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@ -2150,6 +2200,16 @@ static int send_to_bg( job_t *j, const wchar_t *name )
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builtin_print_help( L"bg", sb_err );
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return 1;
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}
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else if( !j->job_control )
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{
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sb_printf( sb_err,
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_( L"%ls: Can't put job %d, '%ls' to background because it is not under job control\n" ),
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L"bg",
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j->job_id,
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j->command );
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builtin_print_help( L"bg", sb_err );
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return 1;
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}
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else
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{
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sb_printf( sb_err,
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@ -2176,7 +2236,7 @@ static int builtin_bg( wchar_t **argv )
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job_t *j;
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for( j=first_job; j; j=j->next )
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{
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if( job_is_stopped(j) )
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if( job_is_stopped(j) && j->job_control && (!job_is_completed(j)) )
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break;
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}
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16
exec.c
16
exec.c
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@ -393,7 +393,7 @@ static int setup_child_process( job_t *j, process_t *p )
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{
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int res;
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if( j->terminal )
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if( j->job_control )
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{
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pid_t pid;
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/*
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@ -602,7 +602,7 @@ static void internal_exec_helper( const wchar_t *def,
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static int handle_new_child( job_t *j, process_t *p )
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{
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if( j->terminal )
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if( j->job_control )
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{
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int new_pgid=0;
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@ -636,18 +636,6 @@ static int handle_new_child( job_t *j, process_t *p )
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return -1;
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}
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}
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if( j->fg && new_pgid)
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{
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if( tcsetpgrp (0, j->pgid) )
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{
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debug( 1, _( L"Could not send job %d ('%ls') to foreground" ),
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j->job_id,
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j->command );
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wperror( L"tcsetpgrp" );
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return -1;
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}
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}
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}
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else
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{
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5
parser.c
5
parser.c
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@ -1031,7 +1031,7 @@ int eval_args( const wchar_t *line, array_list_t *args )
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return 1;
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}
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static void parser_stack_trace( block_t *b, string_buffer_t *buff)
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void parser_stack_trace( block_t *b, string_buffer_t *buff)
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{
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if( !b )
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return;
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@ -1363,7 +1363,7 @@ static void parse_job_main_loop( process_t *p,
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case TOK_BACKGROUND:
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j->fg = 0;
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j->terminal=0;
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case TOK_END:
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{
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p->argv = list_to_char_arr( args );
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@ -2183,7 +2183,6 @@ static void eval_job( tokenizer *tok )
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j->fg=1;
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j->constructed=0;
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j->skip_notification = is_subshell || is_block || is_event || (!is_interactive);
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j->terminal = is_interactive && !is_subshell;
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current_block->job = j;
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5
parser.h
5
parser.h
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@ -348,5 +348,10 @@ int parser_is_help( wchar_t *s, int min_match );
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*/
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const wchar_t *parser_current_filename();
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/**
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Write a stack trace starting at the specified block to the specified string_buffer_t
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*/
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void parser_stack_trace( block_t *b, string_buffer_t *buff);
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#endif
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60
proc.c
60
proc.c
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@ -83,6 +83,7 @@ int is_login=0;
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int is_event=0;
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int proc_had_barrier;
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pid_t proc_last_bg_pid = 0;
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int job_control_mode = JOB_CONTROL_INTERACTIVE;
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/**
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The event variable used to send all process event
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@ -229,6 +230,10 @@ job_t *job_create()
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res->next = first_job;
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res->job_id = free_id;
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first_job = res;
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res->job_control = (job_control_mode==JOB_CONTROL_ALL) ||
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((job_control_mode == JOB_CONTROL_INTERACTIVE) && (is_interactive));
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// if( res->job_id > 2 )
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// fwprintf( stderr, L"Create job %d\n", res->job_id );
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return res;
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@ -875,37 +880,34 @@ void job_continue (job_t *j, int cont)
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if( !job_is_completed( j ) )
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{
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if( j->terminal )
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{
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if( j->job_control && j->fg )
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{
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/* Put the job into the foreground. */
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if( j->fg )
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signal_block();
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if( tcsetpgrp (0, j->pgid) )
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{
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signal_block();
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if( tcsetpgrp (0, j->pgid) )
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{
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debug( 1,
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_( L"Could not send job %d ('%ls') to foreground" ),
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j->job_id,
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j->command );
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wperror( L"tcsetpgrp" );
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return;
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}
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if( cont )
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{
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if( tcsetattr (0, TCSADRAIN, &j->tmodes))
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{
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debug( 1,
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_( L"Could not send job %d ('%ls') to foreground" ),
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j->job_id,
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j->command );
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wperror( L"tcsetattr" );
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return;
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}
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}
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signal_unblock();
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debug( 1,
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_( L"Could not send job %d ('%ls') to foreground" ),
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j->job_id,
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j->command );
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wperror( L"tcsetpgrp" );
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return;
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}
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if( cont )
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{
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if( tcsetattr (0, TCSADRAIN, &j->tmodes))
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{
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debug( 1,
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_( L"Could not send job %d ('%ls') to foreground" ),
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j->job_id,
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j->command );
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wperror( L"tcsetattr" );
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return;
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}
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}
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signal_unblock();
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}
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/*
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@ -1005,7 +1007,7 @@ void job_continue (job_t *j, int cont)
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/*
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Put the shell back in the foreground.
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*/
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if( j->terminal )
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if( j->job_control && j->fg )
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{
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signal_block();
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if( tcsetpgrp (0, getpid()) )
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18
proc.h
18
proc.h
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@ -48,6 +48,13 @@ enum
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}
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;
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enum
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{
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JOB_CONTROL_ALL,
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JOB_CONTROL_INTERACTIVE,
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JOB_CONTROL_NONE,
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}
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;
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/**
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A structure representing a single fish process. Contains variables
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@ -156,9 +163,9 @@ typedef struct job
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/** Skip executing this job. This flag is set by the short-circut builtins, i.e. and and or */
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int skip;
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/** Whether this job wants to have control of the terminal when it is in the foreground */
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int terminal;
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/** Whether the job is under job control */
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int job_control;
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/** Pointer to the next job */
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struct job *next;
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}
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@ -216,6 +223,11 @@ extern int proc_had_barrier;
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*/
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extern pid_t proc_last_bg_pid;
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/**
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Can be one of JOB_CONTROL_ALL, JOB_CONTROL_INTERACTIVE and JOB_CONTROL_NONE
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*/
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extern int job_control_mode;
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/**
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Sets the status of the last process to exit
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*/
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