diff options
| -rw-r--r-- | lem/io/core.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lem/io/core.c b/lem/io/core.c index 27ece00..168b18e 100644 --- a/lem/io/core.c +++ b/lem/io/core.c @@ -267,6 +267,7 @@ io_popen(lua_State *T) char *const argv[4] = { "/bin/sh", "-c", (char *)cmd, NULL }; posix_spawn_file_actions_t fa; int fd[2]; + pid_t pid; int err; switch (mode) { @@ -304,7 +305,7 @@ io_popen(lua_State *T) goto error; } - err = posix_spawn(NULL, argv[0], &fa, NULL, argv, environ); + err = posix_spawn(&pid, argv[0], &fa, NULL, argv, environ); lem_debug("err = %d, %s", err, strerror(err)); if (err) goto error; @@ -312,7 +313,8 @@ io_popen(lua_State *T) posix_spawn_file_actions_destroy(&fa); close(fd[1]); stream_new(T, fd[0], lua_upvalueindex(1)); - return 1; + lua_pushnumber(T, pid); + return 2; error: posix_spawn_file_actions_destroy(&fa); close(fd[0]); |