X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fprocess%2Fposix_spawn.c;h=b1a9fbde52c9aafc8fe8a8725bc4439b3018a311;hb=d40e344f7b311980dfe3c165d8cbecfe04c12bd2;hp=e718cee30c2af9b4d3e0d8527f2bcff868ed4662;hpb=c97f0d998cae23472ea30564663a8612dcfb6f83;p=musl diff --git a/src/process/posix_spawn.c b/src/process/posix_spawn.c index e718cee3..b1a9fbde 100644 --- a/src/process/posix_spawn.c +++ b/src/process/posix_spawn.c @@ -2,7 +2,9 @@ #include #include #include +#include #include "syscall.h" +#include "fdop.h" extern char **environ; @@ -31,7 +33,9 @@ int __posix_spawnx(pid_t *res, const char *path, for (i=1; i<=64; i++) { struct sigaction sa; sigaction(i, 0, &sa); - if (sa.sa_handler!=SIG_IGN || sigismember(&attr->__def, i)) { + if (sa.sa_handler!=SIG_IGN || + ((attr->__flags & POSIX_SPAWN_SETSIGDEF) + && sigismember(&attr->__def, i) )) { sa.sa_handler = SIG_DFL; sigaction(i, &sa, 0); } @@ -47,6 +51,33 @@ int __posix_spawnx(pid_t *res, const char *path, __syscall(SYS_setuid, __syscall(SYS_getuid)) )) _exit(127); + if (fa && fa->__actions) { + struct fdop *op; + int ret, fd; + for (op = fa->__actions; op->next; op = op->next); + for (; op; op = op->prev) { + 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);