aboutsummaryrefslogtreecommitdiff
path: root/lib/libc_r
diff options
context:
space:
mode:
authorDmitrij Tejblum <dt@FreeBSD.org>1999-06-29 19:57:07 +0000
committerDmitrij Tejblum <dt@FreeBSD.org>1999-06-29 19:57:07 +0000
commitdb06cf96d52e1f0e9835c5479cd98ccd72e16fb3 (patch)
treeee37d0f9e9ac6d9a1112bd372e7354f9314e8b59 /lib/libc_r
parentba965cf7cc867f3ea88b3c6c0863a1953c68f05d (diff)
downloadsrc-db06cf96d52e1f0e9835c5479cd98ccd72e16fb3.tar.gz
src-db06cf96d52e1f0e9835c5479cd98ccd72e16fb3.zip
Defer signals, so we will not wait for SIGCHLD after it was delivered.
Notes
Notes: svn path=/head/; revision=48349
Diffstat (limited to 'lib/libc_r')
-rw-r--r--lib/libc_r/uthread/uthread_wait4.c5
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 dda8aeea61cb..a3cd31b7e9fd 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