Provide IRT process interface

src/untrusted/irt/irt_dev.h

 /*
  * Copyright (c) 2013 The Native Client Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #ifndef NATIVE_CLIENT_SRC_UNTRUSTED_IRT_IRT_DEV_H_
 #define NATIVE_CLIENT_SRC_UNTRUSTED_IRT_IRT_DEV_H_
 
 #include <stdarg.h>
 #include <stddef.h>
 #include <sys/types.h>
 
 struct dirent;
 struct stat;
 struct timeval;
 
 struct NaClMemMappingInfo;
 
+#include <spawn.h>
+
 #if defined(__cplusplus)
 extern "C" {
 #endif
 
 #define NACL_IRT_DEV_FDIO_v0_2  "nacl-irt-dev-fdio-0.2"
+struct nacl_irt_dev_fdio_v0_2 {
+  int (*close)(int fd);
+  int (*dup)(int fd, int *newfd);
+  int (*dup2)(int fd, int newfd);
+  int (*read)(int fd, void *buf, size_t count, size_t *nread);
+  int (*write)(int fd, const void *buf, size_t count, size_t *nwrote);
+  int (*seek)(int fd, off_t offset, int whence, off_t *new_offset);
+  int (*fstat)(int fd, struct stat *);
+  int (*getdents)(int fd, struct dirent *, size_t count, size_t *nread);
+  int (*fchdir)(int fd);
+  int (*fchmod)(int fd, mode_t mode);
+  int (*fsync)(int fd);
+  int (*fdatasync)(int fd);
+  int (*ftruncate)(int fd, off_t length);
+};
+
+#define NACL_IRT_DEV_FDIO_v0_3  "nacl-irt-dev-fdio-0.3"
 struct nacl_irt_dev_fdio {
   int (*close)(int fd);
   int (*dup)(int fd, int *newfd);
   int (*dup2)(int fd, int newfd);
   int (*read)(int fd, void *buf, size_t count, size_t *nread);
   int (*write)(int fd, const void *buf, size_t count, size_t *nwrote);
   int (*seek)(int fd, off_t offset, int whence, off_t *new_offset);
   int (*fstat)(int fd, struct stat *);
   int (*getdents)(int fd, struct dirent *, size_t count, size_t *nread);
   int (*fchdir)(int fd);
   int (*fchmod)(int fd, mode_t mode);
   int (*fsync)(int fd);
   int (*fdatasync)(int fd);
   int (*ftruncate)(int fd, off_t length);
+  int (*pipe)(int pipefd[2]);
 };
 
 /*
  * The "irt-dev-filename" is similiar to "irt-filename" but provides
  * additional functions, including those that do directory manipulation.
  * Inside Chromium, requests for this interface may fail, or may return
  * functions which always return errors.
  */
 #define NACL_IRT_DEV_FILENAME_v0_2 "nacl-irt-dev-filename-0.2"
 struct nacl_irt_dev_filename_v0_2 {
@@ skipping 26 matching lines @@
   int (*utimes)(const char *filename, const struct timeval *times);
 };
 
 #define NACL_IRT_DEV_LIST_MAPPINGS_v0_1 \
   "nacl-irt-dev-list-mappings-0.1"
 struct nacl_irt_dev_list_mappings {
   int (*list_mappings)(struct NaClMemMappingInfo *regions,
                        size_t count, size_t *result_count);
 };
 
+#define NACL_IRT_DEV_PROCESS_v0_1 "nacl-irt-dev-process-0.1"
+struct nacl_irt_dev_process {
+  int (*getpid)(pid_t *pid);
+  int (*getppid)(pid_t *ppid);
+  int (*setpgid)(pid_t pid, pid_t pgid);
+  int (*getpgid)(pid_t pid, pid_t *pgid);
+  int (*setsid)(pid_t *sid);
+  int (*getsid)(pid_t pid, pid_t *sid);
+  int (*kill)(pid_t pid, int sig);
+  int (*posix_spawn)(pid_t *pid, const char *path,
+                     const posix_spawn_file_actions_t *file_actions,
+                     const posix_spawnattr_t *attrp,
+                     char *const argv[], char *const envp[]);
+  int (*signal)(int sig, sighandler_t handler, sighandler_t *oldhandler);
+  int (*sigprocmask)(int how, const sigset_t *set, sigset_t *oldset);
+  int (*wait)(int *pid, int *status);
+  int (*waitpid)(int *pid, int *status, int options);
+};
+
 #if defined(__cplusplus)
 }
 #endif
 
 #endif /* NATIVE_CLIENT_SRC_UNTRUSTED_IRT_IRT_DEV_H */