1*fdd8201dSApple OSS Distributions #include <unistd.h> 2*fdd8201dSApple OSS Distributions #include <spawn.h> 3*fdd8201dSApple OSS Distributions #include <sys/wait.h> 4*fdd8201dSApple OSS Distributions 5*fdd8201dSApple OSS Distributions #define SUBSYSTEM_ROOT_PATH_KEY "subsystem_root_path" 6*fdd8201dSApple OSS Distributions 7*fdd8201dSApple OSS Distributions #define HELPER_BEHAVIOR_NOT_SET "not_set" 8*fdd8201dSApple OSS Distributions #define HELPER_BEHAVIOR_SET "set" 9*fdd8201dSApple OSS Distributions #define HELPER_BEHAVIOR_FORK_EXEC "fork_exec" 10*fdd8201dSApple OSS Distributions #define HELPER_BEHAVIOR_SPAWN "spawn" 11*fdd8201dSApple OSS Distributions 12*fdd8201dSApple OSS Distributions static int _spawn_and_wait(char ** args,posix_spawnattr_t * attr)13*fdd8201dSApple OSS Distributions_spawn_and_wait(char ** args, posix_spawnattr_t *attr) 14*fdd8201dSApple OSS Distributions { 15*fdd8201dSApple OSS Distributions int pid; 16*fdd8201dSApple OSS Distributions int status; 17*fdd8201dSApple OSS Distributions 18*fdd8201dSApple OSS Distributions if (posix_spawn(&pid, args[0], NULL, attr, args, NULL)) { 19*fdd8201dSApple OSS Distributions return -1; 20*fdd8201dSApple OSS Distributions } 21*fdd8201dSApple OSS Distributions if (waitpid(pid, &status, 0) < 0) { 22*fdd8201dSApple OSS Distributions return -1; 23*fdd8201dSApple OSS Distributions } 24*fdd8201dSApple OSS Distributions 25*fdd8201dSApple OSS Distributions if (WIFEXITED(status) && (WEXITSTATUS(status) == 0)) { 26*fdd8201dSApple OSS Distributions return 0; 27*fdd8201dSApple OSS Distributions } 28*fdd8201dSApple OSS Distributions 29*fdd8201dSApple OSS Distributions return -1; 30*fdd8201dSApple OSS Distributions } 31