diff options
Diffstat (limited to 'lib/libc_r/uthread/uthread_execve.c')
| -rw-r--r-- | lib/libc_r/uthread/uthread_execve.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/lib/libc_r/uthread/uthread_execve.c b/lib/libc_r/uthread/uthread_execve.c index 6e1fda5..d12b8ff 100644 --- a/lib/libc_r/uthread/uthread_execve.c +++ b/lib/libc_r/uthread/uthread_execve.c @@ -31,6 +31,7 @@ * */ #include <errno.h> +#include <fcntl.h> #include <unistd.h> #ifdef _THREAD_SAFE #include <pthread.h> @@ -39,15 +40,39 @@ int execve(const char *name, char *const * argv, char *const * envp) { + int flags; int i; int ret; struct sigaction act; struct sigaction oact; + struct itimerval itimer; + + /* Disable the interval timer: */ + itimer.it_interval.tv_sec = 0; + itimer.it_interval.tv_usec = 0; + itimer.it_value.tv_sec = 0; + itimer.it_value.tv_usec = 0; + setitimer(ITIMER_VIRTUAL, &itimer, NULL); /* Close the pthread kernel pipe: */ _thread_sys_close(_thread_kern_pipe[0]); _thread_sys_close(_thread_kern_pipe[1]); + /* + * Enter a loop to set all file descriptors to blocking + * if they were not created as non-blocking: + */ + for (i = 0; i < _thread_dtablesize; i++) { + /* Check if this file descriptor is in use: */ + if (_thread_fd_table[i] != NULL && + !(_thread_fd_table[i]->flags & O_NONBLOCK)) { + /* Get the current flags: */ + flags = _thread_sys_fcntl(i, F_GETFL, NULL); + /* Clear the nonblocking file descriptor flag: */ + _thread_sys_fcntl(i, F_SETFL, flags & ~O_NONBLOCK); + } + } + /* Enter a loop to adopt the signal actions for the running thread: */ for (i = 1; i < NSIG; i++) { /* Check for signals which cannot be caught: */ |
