diff options
Diffstat (limited to 'lib/libc_r/uthread/uthread_select.c')
| -rw-r--r-- | lib/libc_r/uthread/uthread_select.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/libc_r/uthread/uthread_select.c b/lib/libc_r/uthread/uthread_select.c index d6202db..6d7d7dc 100644 --- a/lib/libc_r/uthread/uthread_select.c +++ b/lib/libc_r/uthread/uthread_select.c @@ -35,6 +35,7 @@ #include <string.h> #include <sys/types.h> #include <sys/time.h> +#include <sys/fcntl.h> #ifdef _THREAD_SAFE #include <pthread.h> #include "pthread_private.h" @@ -47,6 +48,7 @@ select(int numfds, fd_set * readfds, fd_set * writefds, struct timespec ts; struct timeval zero_timeout = {0, 0}; int i, ret = 0, got_all_locks = 1; + int f_wait = 1; struct pthread_select_data data; if (numfds > _thread_dtablesize) { @@ -59,6 +61,8 @@ select(int numfds, fd_set * readfds, fd_set * writefds, /* Set the wake up time: */ _thread_kern_set_timeout(&ts); + if (ts.tv_sec == 0 && ts.tv_nsec == 0) + f_wait = 0; } else { /* Wait for ever: */ _thread_kern_set_timeout(NULL); @@ -110,7 +114,7 @@ select(int numfds, fd_set * readfds, fd_set * writefds, if (exceptfds != NULL) { memcpy(&data.exceptfds, exceptfds, sizeof(data.exceptfds)); } - if ((ret = _thread_sys_select(data.nfds, &data.readfds, &data.writefds, &data.exceptfds, &zero_timeout)) == 0) { + if ((ret = _thread_sys_select(data.nfds, &data.readfds, &data.writefds, &data.exceptfds, &zero_timeout)) == 0 && f_wait) { data.nfds = numfds; FD_ZERO(&data.readfds); FD_ZERO(&data.writefds); |
