diff options
Diffstat (limited to 'src/process/posix_spawn.c')
| -rw-r--r-- | src/process/posix_spawn.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/process/posix_spawn.c b/src/process/posix_spawn.c index 7018c37e..59f4a8bb 100644 --- a/src/process/posix_spawn.c +++ b/src/process/posix_spawn.c @@ -2,7 +2,9 @@ #include <unistd.h> #include <signal.h> #include <stdint.h> +#include <fcntl.h> #include "syscall.h" +#include "fdop.h" extern char **environ; @@ -49,6 +51,32 @@ int __posix_spawnx(pid_t *res, const char *path, __syscall(SYS_setuid, __syscall(SYS_getuid)) )) _exit(127); + if (fa) { + struct fdop *op; + int ret, fd; + for (op = fa->__actions; op; op = op->next) { + switch(op->cmd) { + case FDOP_CLOSE: + ret = __syscall(SYS_close, op->fd); + break; + case FDOP_DUP2: + ret = __syscall(SYS_dup2, op->fd, op->newfd)<0; + break; + case FDOP_OPEN: + fd = __syscall(SYS_open, op->path, + op->oflag | O_LARGEFILE, op->mode); + if (fd == op->fd) { + ret = 0; + } else { + ret = __syscall(SYS_dup2, fd, op->fd)<0; + __syscall(SYS_close, fd); + } + break; + } + if (ret) _exit(127); + } + } + sigprocmask(SIG_SETMASK, (attr->__flags & POSIX_SPAWN_SETSIGMASK) ? &attr->__mask : &oldmask, 0); |