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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2017-01-22 15:22:37 -0500
committerSven Eden <yamakuzure@gmx.net>2017-07-17 17:58:36 +0200
commitf77a1b073bd92fc5ef2bb1cc2328b426598d7929 (patch)
tree5a755a7cfd9cfb15d651ab8f297de9549fdeb28a /src/sleep
parentad9dde19eb48a67aa202f767f07fd6d0be547506 (diff)
basic/exec-util: add support for synchronous (ordered) execution
The output of processes can be gathered, and passed back to the callee. (This commit just implements the basic functionality and tests.) After the preparation in previous commits, the change in functionality is relatively simple. For coding convenience, alarm is prepared *before* any children are executed, and not before. This shouldn't matter usually, since just forking of the children should be pretty quick. One could also argue that this is more correct, because we will also catch the case when (for whatever reason), forking itself is slow. Three callback functions and three levels of serialization are used: - from individual generator processes to the generator forker - from the forker back to the main process - deserialization in the main process v2: - replace an structure with an indexed array of callbacks
Diffstat (limited to 'src/sleep')
-rw-r--r--src/sleep/sleep.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/sleep/sleep.c b/src/sleep/sleep.c
index dc1d55d8b..cf03c34b3 100644
--- a/src/sleep/sleep.c
+++ b/src/sleep/sleep.c
@@ -109,7 +109,7 @@ static int execute(char **modes, char **states) {
if (r < 0)
return r;
- execute_directories(dirs, DEFAULT_TIMEOUT_USEC, arguments);
+ execute_directories(dirs, DEFAULT_TIMEOUT_USEC, NULL, NULL, arguments);
log_struct(LOG_INFO,
LOG_MESSAGE_ID(SD_MESSAGE_SLEEP_START),
@@ -128,7 +128,7 @@ static int execute(char **modes, char **states) {
NULL);
arguments[1] = (char*) "post";
- execute_directories(dirs, DEFAULT_TIMEOUT_USEC, arguments);
+ execute_directories(dirs, DEFAULT_TIMEOUT_USEC, NULL, NULL, arguments);
return r;
}