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Add retries to win32 p_unlink and p_open.

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This commit is contained in:
Tyler Church 2016-05-18 09:33:17 -07:00
parent 4d384d6bbe
commit 32269b15e2
1 changed files with 39 additions and 7 deletions
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46
src/win32/posix_w32.c
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@ -93,17 +93,31 @@ int p_unlink(const char *path)
{
git_win32_path buf;
int error;
int unlink_tries;
if (git_win32_path_from_utf8(buf, path) < 0)
return -1;
error = _wunlink(buf);
/* If the file could not be deleted because it was
* read-only, clear the bit and try again */
if (error == -1 && errno == EACCES) {
_wchmod(buf, 0666);
/* wait up to 50ms if file is locked by another thread or process */
unlink_tries = 0;
while (unlink_tries < 10) {
error = _wunlink(buf);
/* If the file could not be deleted because it was
* read-only, clear the bit and try again */
if (error == -1 && errno == EACCES) {
_wchmod(buf, 0666);
error = _wunlink(buf);
if (error == -1 && errno == EACCES) {
Sleep(5);
unlink_tries++;
} else {
break;
}
} else {
break;
}
}
return error;
@ -284,6 +298,8 @@ int p_open(const char *path, int flags, ...)
{
git_win32_path buf;
mode_t mode = 0;
int open_tries;
int handle;
if (git_win32_path_from_utf8(buf, path) < 0)
return -1;
@ -296,7 +312,23 @@ int p_open(const char *path, int flags, ...)
va_end(arg_list);
}
return _wopen(buf, flags | STANDARD_OPEN_FLAGS, mode & WIN32_MODE_MASK);
/* wait up to 50ms if file is locked by another thread or process */
open_tries = 0;
while (open_tries < 10) {
handle = _wopen(buf, flags | STANDARD_OPEN_FLAGS, mode & WIN32_MODE_MASK);
if (handle != -1) {
break;
}
if (errno == EACCES) {
Sleep(5);
open_tries++;
} else {
break;
}
}
return handle;
}
int p_creat(const char *path, mode_t mode)