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-rw-r--r--spawn.h103
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diff --git a/spawn.h b/spawn.h
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-/****************************************************************************
- * bfs *
- * Copyright (C) 2018-2019 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. *
- ****************************************************************************/
-
-/**
- * A process-spawning library inspired by posix_spawn().
- */
-
-#ifndef BFS_SPAWN_H
-#define BFS_SPAWN_H
-
-#include <stdbool.h>
-#include <signal.h>
-#include <sys/types.h>
-
-/**
- * bfs_spawn() flags.
- */
-enum bfs_spawn_flags {
- /** Use the PATH variable to resolve the executable (like execvp()). */
- BFS_SPAWN_USEPATH = 1 << 0,
-};
-
-/**
- * bfs_spawn() attributes, controlling the context of the new process.
- */
-struct bfs_spawn {
- enum bfs_spawn_flags flags;
- struct bfs_spawn_action *actions;
- struct bfs_spawn_action **tail;
-};
-
-/**
- * Create a new bfs_spawn() context.
- *
- * @return 0 on success, -1 on failure.
- */
-int bfs_spawn_init(struct bfs_spawn *ctx);
-
-/**
- * Destroy a bfs_spawn() context.
- *
- * @return 0 on success, -1 on failure.
- */
-int bfs_spawn_destroy(struct bfs_spawn *ctx);
-
-/**
- * Set the flags for a bfs_spawn() context.
- *
- * @return 0 on success, -1 on failure.
- */
-int bfs_spawn_setflags(struct bfs_spawn *ctx, enum bfs_spawn_flags flags);
-
-/**
- * Add a close() action to a bfs_spawn() context.
- *
- * @return 0 on success, -1 on failure.
- */
-int bfs_spawn_addclose(struct bfs_spawn *ctx, int fd);
-
-/**
- * Add a dup2() action to a bfs_spawn() context.
- *
- * @return 0 on success, -1 on failure.
- */
-int bfs_spawn_adddup2(struct bfs_spawn *ctx, int oldfd, int newfd);
-
-/**
- * Add an fchdir() action to a bfs_spawn() context.
- *
- * @return 0 on success, -1 on failure.
- */
-int bfs_spawn_addfchdir(struct bfs_spawn *ctx, int fd);
-
-/**
- * Spawn a new process.
- *
- * @param exe
- * The executable to run.
- * @param ctx
- * The context for the new process.
- * @param argv
- * The arguments for the new process.
- * @param envp
- * The environment variables for the new process.
- * @return
- * The PID of the new process, or -1 on error.
- */
-pid_t bfs_spawn(const char *exe, const struct bfs_spawn *ctx, char **argv, char **envp);
-
-#endif // BFS_SPAWN_H