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Diffstat (limited to 'spawn.h')
-rw-r--r-- | spawn.h | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/spawn.h b/spawn.h deleted file mode 100644 index 0dd9d61..0000000 --- a/spawn.h +++ /dev/null @@ -1,123 +0,0 @@ -/**************************************************************************** - * 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 <sys/resource.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); - -/** - * Add a setrlimit() action to a bfs_spawn() context. - * - * @return 0 on success, -1 on failure. - */ -int bfs_spawn_addsetrlimit(struct bfs_spawn *ctx, int resource, const struct rlimit *rl); - -/** - * 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 (NULL for the current - * environment). - * @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); - -/** - * Look up an executable in the current PATH, as BFS_SPAWN_USEPATH or execvp() - * would do. - * - * @param exe - * The name of the binary to execute. Bare names without a '/' will be - * searched on the provided PATH. - * @return - * The full path to the executable, which should be free()'d, or NULL on - * failure. - */ -char *bfs_spawn_resolve(const char *exe); - -#endif // BFS_SPAWN_H |