1*1031c584SApple OSS Distributions #include <unistd.h> 2*1031c584SApple OSS Distributions #include <spawn.h> 3*1031c584SApple OSS Distributions #include <sys/wait.h> 4*1031c584SApple OSS Distributions 5*1031c584SApple OSS Distributions #define SUBSYSTEM_ROOT_PATH_KEY "subsystem_root_path" 6*1031c584SApple OSS Distributions 7*1031c584SApple OSS Distributions #define HELPER_BEHAVIOR_NOT_SET "not_set" 8*1031c584SApple OSS Distributions #define HELPER_BEHAVIOR_SET "set" 9*1031c584SApple OSS Distributions #define HELPER_BEHAVIOR_FORK_EXEC "fork_exec" 10*1031c584SApple OSS Distributions #define HELPER_BEHAVIOR_SPAWN "spawn" 11*1031c584SApple OSS Distributions 12*1031c584SApple OSS Distributions static int _spawn_and_wait(char ** args,posix_spawnattr_t * attr)13*1031c584SApple OSS Distributions_spawn_and_wait(char ** args, posix_spawnattr_t *attr) 14*1031c584SApple OSS Distributions { 15*1031c584SApple OSS Distributions int pid; 16*1031c584SApple OSS Distributions int status; 17*1031c584SApple OSS Distributions 18*1031c584SApple OSS Distributions if (posix_spawn(&pid, args[0], NULL, attr, args, NULL)) { 19*1031c584SApple OSS Distributions return -1; 20*1031c584SApple OSS Distributions } 21*1031c584SApple OSS Distributions if (waitpid(pid, &status, 0) < 0) { 22*1031c584SApple OSS Distributions return -1; 23*1031c584SApple OSS Distributions } 24*1031c584SApple OSS Distributions 25*1031c584SApple OSS Distributions if (WIFEXITED(status) && (WEXITSTATUS(status) == 0)) { 26*1031c584SApple OSS Distributions return 0; 27*1031c584SApple OSS Distributions } 28*1031c584SApple OSS Distributions 29*1031c584SApple OSS Distributions return -1; 30*1031c584SApple OSS Distributions } 31