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Don't restart a syscall when a SIGCHLD is received by a thread waiting

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on a child process.
This commit is contained in:
John Birrell 1998-05-31 23:46:01 +00:00
parent 9e74704eb2
commit d972680a31
3 changed files with 18 additions and 3 deletions
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7
lib/libc_r/uthread/uthread_sig.c
View File

@ -242,8 +242,13 @@ _thread_signal(pthread_t pthread, int sig)
*/
sigaddset(&pthread->sigpend,sig);
/* Check if the thread is waiting on a child process: */
if (sig == SIGCHLD && pthread->state == PS_WAIT_WAIT) {
/* Change the state of the thread to run: */
PTHREAD_NEW_STATE(pthread,PS_RUNNING);
/* Check if system calls are not restarted: */
if ((_thread_sigact[sig - 1].sa_flags & SA_RESTART) == 0) {
} else if ((_thread_sigact[sig - 1].sa_flags & SA_RESTART) == 0) {
/*
* Process according to thread state:
*/

7
lib/libkse/thread/thr_sig.c
View File

@ -242,8 +242,13 @@ _thread_signal(pthread_t pthread, int sig)
*/
sigaddset(&pthread->sigpend,sig);
/* Check if the thread is waiting on a child process: */
if (sig == SIGCHLD && pthread->state == PS_WAIT_WAIT) {
/* Change the state of the thread to run: */
PTHREAD_NEW_STATE(pthread,PS_RUNNING);
/* Check if system calls are not restarted: */
if ((_thread_sigact[sig - 1].sa_flags & SA_RESTART) == 0) {
} else if ((_thread_sigact[sig - 1].sa_flags & SA_RESTART) == 0) {
/*
* Process according to thread state:
*/

7
lib/libpthread/thread/thr_sig.c
View File

@ -242,8 +242,13 @@ _thread_signal(pthread_t pthread, int sig)
*/
sigaddset(&pthread->sigpend,sig);
/* Check if the thread is waiting on a child process: */
if (sig == SIGCHLD && pthread->state == PS_WAIT_WAIT) {
/* Change the state of the thread to run: */
PTHREAD_NEW_STATE(pthread,PS_RUNNING);
/* Check if system calls are not restarted: */
if ((_thread_sigact[sig - 1].sa_flags & SA_RESTART) == 0) {
} else if ((_thread_sigact[sig - 1].sa_flags & SA_RESTART) == 0) {
/*
* Process according to thread state:
*/