diff options
Diffstat (limited to 'job.c')
| -rw-r--r-- | job.c | 38 |
1 files changed, 35 insertions, 3 deletions
@@ -378,6 +378,25 @@ free_child (child) free ((char *) child); } +#ifdef POSIX +extern sigset_t fatal_signal_set; + +static void +unblock_sigs () +{ + sigset_t empty; + sigemptyset (&empty); + sigprocmask (SIG_SETMASK, &empty, (sigset_t *) 0); +} +#else +#ifndef USG +extern int fatal_signal_mask; +#define unblock_sigs() sigsetmask (0) +#else +#define unblock_sigs() +#endif +#endif + /* Start a job to run the commands specified in CHILD. CHILD is updated to reflect the commands and ID of the child process. */ @@ -539,15 +558,27 @@ start_job (child) /* Fork the child process. */ +#ifdef POSIX + (void) sigprocmask (SIG_BLOCK, &fatal_signal_set, (sigset_t *) 0); +#else +#ifndef USG + (void) sigblock (fatal_signal_mask); +#endif +#endif + child->remote = 0; child->pid = vfork (); if (child->pid == 0) - /* We are the child side. */ - child_execute_job (child->good_stdin ? 0 : bad_stdin, 1, - argv, child->environment); + { + /* We are the child side. */ + unblock_sigs (); + child_execute_job (child->good_stdin ? 0 : bad_stdin, 1, + argv, child->environment); + } else if (child->pid < 0) { /* Fork failed! */ + unblock_sigs (); perror_with_name (VFORK_NAME, ""); goto error; } @@ -616,6 +647,7 @@ new_job (file) children = c; /* One more job slot is in use. */ ++job_slots_used; + unblock_sigs (); break; case cs_finished: |