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Add all posix_spawn_file_actions_ functions
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@ -175,7 +175,6 @@ void __explicit_bzero_chk(void * buf, size_t len, size_t unused)
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return explicit_bzero(buf, len);
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}
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#define _GNU_SOURCE
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#include <unistd.h>
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#include "syscall.h"
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@ -215,8 +214,7 @@ struct statx {
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uint64_t spare[14];
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};
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static int fstatat_statx(int fd, const char *restrict path, struct stat *restrict st, int flag)
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{
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static int fstatat_statx(int fd, const char *restrict path, struct stat *restrict st, int flag) {
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struct statx stx;
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int ret = syscall(SYS_statx, fd, path, flag, 0x7ff, &stx);
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@ -251,7 +249,6 @@ static int fstatat_statx(int fd, const char *restrict path, struct stat *restric
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return 0;
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}
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#define _GNU_SOURCE
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#include <unistd.h>
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#include <syscall.h>
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#include "syscall.h"
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@ -289,6 +286,100 @@ int posix_spawnp(pid_t *restrict res, const char *restrict file,
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return posix_spawn(res, file, fa, &spawnp_attr, argv, envp);
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}
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#define FDOP_CLOSE 1
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#define FDOP_DUP2 2
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#define FDOP_OPEN 3
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#define FDOP_CHDIR 4
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#define FDOP_FCHDIR 5
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struct fdop {
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struct fdop *next, *prev;
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int cmd, fd, srcfd, oflag;
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mode_t mode;
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char path[];
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};
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#define ENOMEM 12
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#define EBADF 9
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int posix_spawn_file_actions_init(posix_spawn_file_actions_t *fa) {
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fa->__actions = 0;
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return 0;
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}
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int posix_spawn_file_actions_addchdir_np(posix_spawn_file_actions_t *restrict fa, const char *restrict path) {
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struct fdop *op = malloc(sizeof *op + strlen(path) + 1);
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if (!op) return ENOMEM;
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op->cmd = FDOP_CHDIR;
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op->fd = -1;
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strcpy(op->path, path);
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if ((op->next = fa->__actions)) op->next->prev = op;
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op->prev = 0;
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fa->__actions = op;
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return 0;
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}
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int posix_spawn_file_actions_addclose(posix_spawn_file_actions_t *fa, int fd) {
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if (fd < 0) return EBADF;
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struct fdop *op = malloc(sizeof *op);
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if (!op) return ENOMEM;
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op->cmd = FDOP_CLOSE;
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op->fd = fd;
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if ((op->next = fa->__actions)) op->next->prev = op;
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op->prev = 0;
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fa->__actions = op;
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return 0;
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}
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int posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t *fa, int srcfd, int fd) {
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if (srcfd < 0 || fd < 0) return EBADF;
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struct fdop *op = malloc(sizeof *op);
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if (!op) return ENOMEM;
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op->cmd = FDOP_DUP2;
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op->srcfd = srcfd;
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op->fd = fd;
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if ((op->next = fa->__actions)) op->next->prev = op;
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op->prev = 0;
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fa->__actions = op;
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return 0;
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}
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int posix_spawn_file_actions_addfchdir_np(posix_spawn_file_actions_t *fa, int fd) {
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if (fd < 0) return EBADF;
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struct fdop *op = malloc(sizeof *op);
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if (!op) return ENOMEM;
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op->cmd = FDOP_FCHDIR;
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op->fd = fd;
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if ((op->next = fa->__actions)) op->next->prev = op;
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op->prev = 0;
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fa->__actions = op;
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return 0;
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}
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int posix_spawn_file_actions_addopen(posix_spawn_file_actions_t *restrict fa, int fd, const char *restrict path, int flags, mode_t mode) {
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if (fd < 0) return EBADF;
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struct fdop *op = malloc(sizeof *op + strlen(path) + 1);
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if (!op) return ENOMEM;
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op->cmd = FDOP_OPEN;
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op->fd = fd;
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op->oflag = flags;
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op->mode = mode;
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strcpy(op->path, path);
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if ((op->next = fa->__actions)) op->next->prev = op;
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op->prev = 0;
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fa->__actions = op;
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return 0;
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}
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int posix_spawn_file_actions_destroy(posix_spawn_file_actions_t *fa) {
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struct fdop *op = fa->__actions, *next;
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while (op) {
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next = op->next;
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free(op);
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op = next;
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}
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return 0;
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}
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#if defined (__cplusplus)
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}
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