diff options
author | dt <dt@FreeBSD.org> | 1999-06-29 19:57:07 +0000 |
---|---|---|
committer | dt <dt@FreeBSD.org> | 1999-06-29 19:57:07 +0000 |
commit | 44e9ba14adfa3ed4826faaa7dd9f439cfd234c4e (patch) | |
tree | 6ed05963e8dcac88456217575b8beecffb27a068 /lib/libc_r | |
parent | fb5bf6fe15f899d239a19e8885bc8749a5de3c24 (diff) | |
download | FreeBSD-src-44e9ba14adfa3ed4826faaa7dd9f439cfd234c4e.zip FreeBSD-src-44e9ba14adfa3ed4826faaa7dd9f439cfd234c4e.tar.gz |
Defer signals, so we will not wait for SIGCHLD after it was delivered.
Diffstat (limited to 'lib/libc_r')
-rw-r--r-- | lib/libc_r/uthread/uthread_wait4.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/libc_r/uthread/uthread_wait4.c b/lib/libc_r/uthread/uthread_wait4.c index dda8aee..a3cd31b 100644 --- a/lib/libc_r/uthread/uthread_wait4.c +++ b/lib/libc_r/uthread/uthread_wait4.c @@ -41,6 +41,8 @@ wait4(pid_t pid, int *istat, int options, struct rusage * rusage) { pid_t ret; + _thread_kern_sig_defer(); + /* Perform a non-blocking wait4 syscall: */ while ((ret = _thread_sys_wait4(pid, istat, options | WNOHANG, rusage)) == 0 && (options & WNOHANG) == 0) { /* Reset the interrupted operation flag: */ @@ -56,6 +58,9 @@ wait4(pid_t pid, int *istat, int options, struct rusage * rusage) break; } } + + _thread_kern_sig_undefer(); + return (ret); } #endif |