diff options
Diffstat (limited to 'src/libstddjb/cspawn.c')
| -rw-r--r-- | src/libstddjb/cspawn.c | 54 |
1 files changed, 46 insertions, 8 deletions
diff --git a/src/libstddjb/cspawn.c b/src/libstddjb/cspawn.c index 461ccd6..2baad0e 100644 --- a/src/libstddjb/cspawn.c +++ b/src/libstddjb/cspawn.c @@ -18,7 +18,7 @@ #include <skalibs/cspawn.h> -static inline void cspawn_child_exec (char const *prog, char const *const *argv, char const *const *envp, uint32_t flags, cspawn_fileaction const *fa, size_t n) +static inline void cspawn_child_exec (char const *prog, char const *const *argv, char const *const *envp, uint16_t flags, cspawn_fileaction const *fa, size_t n) { for (size_t i = 0 ; i < n ; i++) { @@ -38,6 +38,12 @@ static inline void cspawn_child_exec (char const *prog, char const *const *argv, if (fd_move(fa[i].x.openinfo.fd, fd) == -1) return ; break ; } + case CSPAWN_FA_CHDIR : + if (chdir(fa[i].x.path) == -1) return ; + break ; + case CSPAWN_FA_FCHDIR : + if (fchdir(fa[i].x.fd) == -1) return ; + break ; default : errno = EINVAL ; return ; } @@ -50,7 +56,7 @@ static inline void cspawn_child_exec (char const *prog, char const *const *argv, exec_ae(prog, argv, envp) ; } -static inline pid_t cspawn_fork (char const *prog, char const *const *argv, char const *const *envp, uint32_t flags, cspawn_fileaction const *fa, size_t n) +static inline pid_t cspawn_fork (char const *prog, char const *const *argv, char const *const *envp, uint16_t flags, cspawn_fileaction const *fa, size_t n) { pid_t pid ; int p[2] ; @@ -131,7 +137,7 @@ static inline pid_t cspawn_workaround (pid_t pid, int const *p) #endif -static inline pid_t cspawn_pspawn (char const *prog, char const *const *argv, char const *const *envp, uint32_t flags, cspawn_fileaction const *fa, size_t n) +static inline pid_t cspawn_pspawn (char const *prog, char const *const *argv, char const *const *envp, uint16_t flags, cspawn_fileaction const *fa, size_t n) { pid_t pid ; posix_spawnattr_t attr ; @@ -192,6 +198,27 @@ static inline pid_t cspawn_pspawn (char const *prog, char const *const *argv, ch e = posix_spawn_file_actions_addopen(&actions, fa[i].x.openinfo.fd, fa[i].x.openinfo.file, fa[i].x.openinfo.oflag, fa[i].x.openinfo.mode) ; if (e) goto erractions ; break ; +#ifdef SKALIBS_HASPOSIXSPAWNCHDIR + case CSPAWN_FA_CHDIR : + e = posix_spawn_file_actions_addchdir(&actions, fa[i].x.path) ; + if (e) goto erractions ; + break ; + case CSPAWN_FA_FCHDIR : + e = posix_spawn_file_actions_addfchdir(&actions, fa[i].x.fd) ; + if (e) goto erractions ; + break ; +#else +#ifdef SKALIBS_HASPOSIXSPAWNCHDIRNP + case CSPAWN_FA_CHDIR : + e = posix_spawn_file_actions_addchdir_np(&actions, fa[i].x.path) ; + if (e) goto erractions ; + break ; + case CSPAWN_FA_FCHDIR : + e = posix_spawn_file_actions_addfchdir_np(&actions, fa[i].x.fd) ; + if (e) goto erractions ; + break ; +#endif +#endif default : e = EINVAL ; goto erractions ; @@ -225,25 +252,36 @@ static inline pid_t cspawn_pspawn (char const *prog, char const *const *argv, ch return 0 ; } -#ifdef SKALIBS_HASPOSIXSPAWNSETSID +#if defined(SKALIBS_HASPOSIXSPAWNSETSID) && (defined(SKALIBS_HASPOSIXSPAWNCHDIR) || defined(SKALIBS_HASPOSIXSPAWNCHDIRNP)) -pid_t cspawn (char const *prog, char const *const *argv, char const *const *envp, uint32_t flags, cspawn_fileaction const *fa, size_t n) +pid_t cspawn (char const *prog, char const *const *argv, char const *const *envp, uint16_t flags, cspawn_fileaction const *fa, size_t n) { return cspawn_pspawn(prog, argv, envp, flags, fa, n) ; } #else -pid_t cspawn (char const *prog, char const *const *argv, char const *const *envp, uint32_t flags, cspawn_fileaction const *fa, size_t n) +pid_t cspawn (char const *prog, char const *const *argv, char const *const *envp, uint16_t flags, cspawn_fileaction const *fa, size_t n) { - return flags & CSPAWN_FLAGS_SETSID ? cspawn_fork(prog, argv, envp, flags, fa, n) : cspawn_pspawn(prog, argv, envp, flags, fa, n) ; +#if !defined(SKALIBS_HASPOSIXSPAWNSETSID) + if (flags & CSPAWN_FLAGS_SETSID) goto dofork ; +#endif +#if !defined(SKALIBS_HASPOSIXSPAWNCHDIR) && !defined(SKALIBS_HASPOSIXSPAWNCHDIRNP) + for (size_t i = 0 ; i < n ; i++) + if (fa[i].type == CSPAWN_FA_CHDIR || fa[i].type == CSPAWN_FA_FCHDIR) + goto dofork ; +#endif + return cspawn_pspawn(prog, argv, envp, flags, fa, n) ; + + dofork: + return cspawn_fork(prog, argv, envp, flags, fa, n) ; } #endif #else -pid_t cspawn (char const *prog, char const *const *argv, char const *const *envp, uint32_t flags, cspawn_fileaction const *fa, size_t n) +pid_t cspawn (char const *prog, char const *const *argv, char const *const *envp, uint16_t flags, cspawn_fileaction const *fa, size_t n) { return cspawn_fork(prog, argv, envp, flags, fa, n) ; } |