spawn: New posix_spawn()-like API for exec

1 files changed, 43 insertions, 0 deletions

diff --git a/spawn.h b/spawn.h
new file mode 100644
index 0000000..6a8a15c
--- /dev/null
+++ b/spawn.h
@@ -0,0 +1,43 @@
+/****************************************************************************
+ * bfs                                                                      *
+ * Copyright (C) 2018 Tavian Barnes <tavianator@tavianator.com>             *
+ *                                                                          *
+ * Permission to use, copy, modify, and/or distribute this software for any *
+ * purpose with or without fee is hereby granted.                           *
+ *                                                                          *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES *
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF         *
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR  *
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES   *
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN    *
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF  *
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.           *
+ ****************************************************************************/
+
+#ifndef BFS_SPAWN_H
+#define BFS_SPAWN_H
+
+#include <stdbool.h>
+#include <signal.h>
+#include <sys/types.h>
+
+enum bfs_spawn_flags {
+	BFS_SPAWN_USEPATH = 1 << 0,
+};
+
+struct bfs_spawn {
+	enum bfs_spawn_flags flags;
+	struct bfs_spawn_action *actions;
+	struct bfs_spawn_action **tail;
+};
+
+int bfs_spawn_init(struct bfs_spawn *ctx);
+int bfs_spawn_destroy(struct bfs_spawn *ctx);
+
+int bfs_spawn_setflags(struct bfs_spawn *ctx, enum bfs_spawn_flags flags);
+
+int bfs_spawn_addfchdir(struct bfs_spawn *ctx, int fd);
+
+pid_t bfs_spawn(const char *file, const struct bfs_spawn *ctx, char **argv, char **envp);
+
+#endif // BFS_SPAWN_H