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Merge pull request #14218 from poettering/homed-preparatory-small-stuff

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Assorted smaller stuff split out from homed PR
This commit is contained in:
Lennart Poettering
2019-12-04 13:13:38 +01:00
committed by GitHub
parent ef560d8b06 6b636c2d27
commit f9f8268ac6
13 changed files with 149 additions and 56 deletions
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src/basic/process-util.h
+11 -10
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@@ -147,16 +147,17 @@ void reset_cached_pid(void);
int must_be_root(void);
typedef enum ForkFlags {
FORK_RESET_SIGNALS = 1 << 0, /* Reset all signal handlers and signal mask */
FORK_CLOSE_ALL_FDS = 1 << 1, /* Close all open file descriptors in the child, except for 0,1,2 */
FORK_DEATHSIG = 1 << 2, /* Set PR_DEATHSIG in the child */
FORK_NULL_STDIO = 1 << 3, /* Connect 0,1,2 to /dev/null */
FORK_REOPEN_LOG = 1 << 4, /* Reopen log connection */
FORK_LOG = 1 << 5, /* Log above LOG_DEBUG log level about failures */
FORK_WAIT = 1 << 6, /* Wait until child exited */
FORK_NEW_MOUNTNS = 1 << 7, /* Run child in its own mount namespace */
FORK_MOUNTNS_SLAVE = 1 << 8, /* Make child's mount namespace MS_SLAVE */
FORK_RLIMIT_NOFILE_SAFE = 1 << 9, /* Set RLIMIT_NOFILE soft limit to 1K for select() compat */
FORK_RESET_SIGNALS = 1 << 0, /* Reset all signal handlers and signal mask */
FORK_CLOSE_ALL_FDS = 1 << 1, /* Close all open file descriptors in the child, except for 0,1,2 */
FORK_DEATHSIG = 1 << 2, /* Set PR_DEATHSIG in the child */
FORK_NULL_STDIO = 1 << 3, /* Connect 0,1,2 to /dev/null */
FORK_REOPEN_LOG = 1 << 4, /* Reopen log connection */
FORK_LOG = 1 << 5, /* Log above LOG_DEBUG log level about failures */
FORK_WAIT = 1 << 6, /* Wait until child exited */
FORK_NEW_MOUNTNS = 1 << 7, /* Run child in its own mount namespace */
FORK_MOUNTNS_SLAVE = 1 << 8, /* Make child's mount namespace MS_SLAVE */
FORK_RLIMIT_NOFILE_SAFE = 1 << 9, /* Set RLIMIT_NOFILE soft limit to 1K for select() compat */
FORK_STDOUT_TO_STDERR = 1 << 10, /* Make stdout a copy of stderr */
} ForkFlags;
int safe_fork_full(const char *name, const int except_fds[], size_t n_except_fds, ForkFlags flags, pid_t *ret_pid);