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authorJohannes Sixt <johannes.sixt@telecom.at>2007-12-08 22:19:14 +0100
committerJohannes Sixt <johannes.sixt@telecom.at>2008-06-26 08:45:08 +0200
commit618ebe9ff997d27714487c4a4232720be240badc (patch)
tree407a0efd989568bcadf3acbd195fd7aa3d5e4c86 /run-command.c
parentbe501813d25bedc1a441940f349fb91bd9fa4ef6 (diff)
downloadgit-618ebe9ff997d27714487c4a4232720be240badc.tar.gz
Windows: Implement asynchronous functions as threads.
In upload-pack we must explicitly close the output channel of rev-list. (On Unix, the channel is closed automatically because process that runs rev-list terminates.) Signed-off-by: Johannes Sixt <johannes.sixt@telecom.at>
Diffstat (limited to 'run-command.c')
-rw-r--r--run-command.c29
1 files changed, 28 insertions, 1 deletions
diff --git a/run-command.c b/run-command.c
index dd8b7751ce..63238e412a 100644
--- a/run-command.c
+++ b/run-command.c
@@ -288,13 +288,23 @@ int run_command_v_opt_cd_env(const char **argv, int opt, const char *dir, const
return run_command(&cmd);
}
+#ifdef __MINGW32__
+static __stdcall unsigned run_thread(void *data)
+{
+ struct async *async = data;
+ return async->proc(async->fd_for_proc, async->data);
+}
+#endif
+
int start_async(struct async *async)
{
int pipe_out[2];
if (pipe(pipe_out) < 0)
return error("cannot create pipe: %s", strerror(errno));
+ async->out = pipe_out[0];
+#ifndef __MINGW32__
async->pid = fork();
if (async->pid < 0) {
error("fork (async) failed: %s", strerror(errno));
@@ -305,16 +315,33 @@ int start_async(struct async *async)
close(pipe_out[0]);
exit(!!async->proc(pipe_out[1], async->data));
}
- async->out = pipe_out[0];
close(pipe_out[1]);
+#else
+ async->fd_for_proc = pipe_out[1];
+ async->tid = (HANDLE) _beginthreadex(NULL, 0, run_thread, async, 0, NULL);
+ if (!async->tid) {
+ error("cannot create thread: %s", strerror(errno));
+ close_pair(pipe_out);
+ return -1;
+ }
+#endif
return 0;
}
int finish_async(struct async *async)
{
+#ifndef __MINGW32__
int ret = 0;
if (wait_or_whine(async->pid))
ret = error("waitpid (async) failed");
+#else
+ DWORD ret = 0;
+ if (WaitForSingleObject(async->tid, INFINITE) != WAIT_OBJECT_0)
+ ret = error("waiting for thread failed: %lu", GetLastError());
+ else if (!GetExitCodeThread(async->tid, &ret))
+ ret = error("cannot get thread exit code: %lu", GetLastError());
+ CloseHandle(async->tid);
+#endif
return ret;
}