summaryrefslogtreecommitdiffstats
path: root/Utilities/cmcurl/lib/curl_threads.c
diff options
context:
space:
mode:
Diffstat (limited to 'Utilities/cmcurl/lib/curl_threads.c')
-rw-r--r--Utilities/cmcurl/lib/curl_threads.c146
1 files changed, 146 insertions, 0 deletions
diff --git a/Utilities/cmcurl/lib/curl_threads.c b/Utilities/cmcurl/lib/curl_threads.c
new file mode 100644
index 0000000..c1624a9
--- /dev/null
+++ b/Utilities/cmcurl/lib/curl_threads.c
@@ -0,0 +1,146 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#include <curl/curl.h>
+
+#if defined(USE_THREADS_POSIX)
+# ifdef HAVE_PTHREAD_H
+# include <pthread.h>
+# endif
+#elif defined(USE_THREADS_WIN32)
+# ifdef HAVE_PROCESS_H
+# include <process.h>
+# endif
+#endif
+
+#include "curl_threads.h"
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+#if defined(USE_THREADS_POSIX)
+
+struct curl_actual_call {
+ unsigned int (*func)(void *);
+ void *arg;
+};
+
+static void *curl_thread_create_thunk(void *arg)
+{
+ struct curl_actual_call * ac = arg;
+ unsigned int (*func)(void *) = ac->func;
+ void *real_arg = ac->arg;
+
+ free(ac);
+
+ (*func)(real_arg);
+
+ return 0;
+}
+
+curl_thread_t Curl_thread_create(unsigned int (*func) (void *), void *arg)
+{
+ curl_thread_t t = malloc(sizeof(pthread_t));
+ struct curl_actual_call *ac = malloc(sizeof(struct curl_actual_call));
+ if(!(ac && t))
+ goto err;
+
+ ac->func = func;
+ ac->arg = arg;
+
+ if(pthread_create(t, NULL, curl_thread_create_thunk, ac) != 0)
+ goto err;
+
+ return t;
+
+err:
+ free(t);
+ free(ac);
+ return curl_thread_t_null;
+}
+
+void Curl_thread_destroy(curl_thread_t hnd)
+{
+ if(hnd != curl_thread_t_null) {
+ pthread_detach(*hnd);
+ free(hnd);
+ }
+}
+
+int Curl_thread_join(curl_thread_t *hnd)
+{
+ int ret = (pthread_join(**hnd, NULL) == 0);
+
+ free(*hnd);
+ *hnd = curl_thread_t_null;
+
+ return ret;
+}
+
+#elif defined(USE_THREADS_WIN32)
+
+/* !checksrc! disable SPACEBEFOREPAREN 1 */
+curl_thread_t Curl_thread_create(unsigned int (CURL_STDCALL *func) (void *),
+ void *arg)
+{
+ curl_thread_t t;
+#ifdef _WIN32_WCE
+ t = CreateThread(NULL, 0, func, arg, 0, NULL);
+#else
+ t = (curl_thread_t)_beginthreadex(NULL, 0, func, arg, 0, NULL);
+#endif
+ if((t == 0) || (t == LongToHandle(-1L))) {
+#ifdef _WIN32_WCE
+ DWORD gle = GetLastError();
+ errno = ((gle == ERROR_ACCESS_DENIED ||
+ gle == ERROR_NOT_ENOUGH_MEMORY) ?
+ EACCES : EINVAL);
+#endif
+ return curl_thread_t_null;
+ }
+ return t;
+}
+
+void Curl_thread_destroy(curl_thread_t hnd)
+{
+ CloseHandle(hnd);
+}
+
+int Curl_thread_join(curl_thread_t *hnd)
+{
+#if !defined(_WIN32_WINNT) || !defined(_WIN32_WINNT_VISTA) || \
+ (_WIN32_WINNT < _WIN32_WINNT_VISTA)
+ int ret = (WaitForSingleObject(*hnd, INFINITE) == WAIT_OBJECT_0);
+#else
+ int ret = (WaitForSingleObjectEx(*hnd, INFINITE, FALSE) == WAIT_OBJECT_0);
+#endif
+
+ Curl_thread_destroy(*hnd);
+
+ *hnd = curl_thread_t_null;
+
+ return ret;
+}
+
+#endif /* USE_THREADS_* */