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| author | Peter Stephenson <pws@users.sourceforge.net> | 2006-12-19 10:35:54 +0000 |
|---|---|---|
| committer | Peter Stephenson <pws@users.sourceforge.net> | 2006-12-19 10:35:54 +0000 |
| commit | 8b800f8fd193ff408ea92a9ea3eb6584a5ec0e9b (patch) | |
| tree | 7331ff3c251b74b4c1b4c40be907e44965e7d1de /Src/jobs.c | |
| parent | b5a0b49dffc9e5a82e77f7bb358c58f4ef5a69ca (diff) | |
| download | zsh-8b800f8fd193ff408ea92a9ea3eb6584a5ec0e9b.tar.gz zsh-8b800f8fd193ff408ea92a9ea3eb6584a5ec0e9b.tar.xz zsh-8b800f8fd193ff408ea92a9ea3eb6584a5ec0e9b.zip | |
document OS may handle negative or zero PID in kill
Diffstat (limited to 'Src/jobs.c')
| -rw-r--r-- | Src/jobs.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/Src/jobs.c b/Src/jobs.c index 77dbf51c9..9dbdc8185 100644 --- a/Src/jobs.c +++ b/Src/jobs.c @@ -1141,6 +1141,7 @@ waitforpid(pid_t pid, int wait_cmd) /* child_block() around this loop in case #ifndef WNOHANG */ dont_queue_signals(); child_block(); /* unblocked in signal_suspend() */ + queue_traps(wait_cmd); while (!errflag && (kill(pid, 0) >= 0 || errno != ESRCH)) { if (first) first = 0; @@ -1148,7 +1149,7 @@ waitforpid(pid_t pid, int wait_cmd) kill(pid, SIGCONT); last_signal = -1; - signal_suspend(SIGCHLD, wait_cmd); + signal_suspend(SIGCHLD); if (last_signal != SIGCHLD && wait_cmd) { /* wait command interrupted, but no error: return */ restore_queue_signals(q); @@ -1156,6 +1157,7 @@ waitforpid(pid_t pid, int wait_cmd) } child_block(); } + unqueue_traps(); child_unblock(); restore_queue_signals(q); @@ -1177,6 +1179,7 @@ zwaitjob(int job, int wait_cmd) dont_queue_signals(); child_block(); /* unblocked during signal_suspend() */ + queue_traps(wait_cmd); if (jn->procs || jn->auxprocs) { /* if any forks were done */ jn->stat |= STAT_LOCKED; if (jn->stat & STAT_CHANGED) @@ -1184,7 +1187,7 @@ zwaitjob(int job, int wait_cmd) while (!errflag && jn->stat && !(jn->stat & STAT_DONE) && !(interact && (jn->stat & STAT_STOPPED))) { - signal_suspend(SIGCHLD, wait_cmd); + signal_suspend(SIGCHLD); if (last_signal != SIGCHLD && wait_cmd) { /* builtin wait interrupted by trapped signal */ @@ -1211,6 +1214,7 @@ zwaitjob(int job, int wait_cmd) pipestats[0] = lastval; numpipestats = 1; } + unqueue_traps(); child_unblock(); restore_queue_signals(q); |