From: Jens Gustedt <Jens.Gustedt@inria.fr>
To: musl@lists.openwall.com
Subject: [PATCH 4/8] add the functions for tss_t and once_flag
Date: Sat, 30 Aug 2014 20:47:03 +0200 [thread overview]
Message-ID: <09db1c648c8e0084b26a3c73c1d59ffa43bec843.1409423162.git.Jens.Gustedt@inria.fr> (raw)
In-Reply-To: <cover.1409423162.git.Jens.Gustedt@inria.fr>
These all have POSIX equivalents but with some changes to the interfaces.
---
src/thread/call_once.c | 7 +++++++
src/thread/tss_create.c | 11 +++++++++++
src/thread/tss_delete.c | 7 +++++++
src/thread/tss_set.c | 13 +++++++++++++
4 files changed, 38 insertions(+)
create mode 100644 src/thread/call_once.c
create mode 100644 src/thread/tss_create.c
create mode 100644 src/thread/tss_delete.c
create mode 100644 src/thread/tss_set.c
diff --git a/src/thread/call_once.c b/src/thread/call_once.c
new file mode 100644
index 0000000..26c735c
--- /dev/null
+++ b/src/thread/call_once.c
@@ -0,0 +1,7 @@
+#include <threads.h>
+
+int __pthread_once(once_flag *, void (*)(void));
+
+void (call_once)(once_flag *flag, void (*func)(void)) {
+ (void)__pthread_once(flag, func);
+}
diff --git a/src/thread/tss_create.c b/src/thread/tss_create.c
new file mode 100644
index 0000000..af8772a
--- /dev/null
+++ b/src/thread/tss_create.c
@@ -0,0 +1,11 @@
+#include <threads.h>
+
+int __pthread_key_create(tss_t *k, void (*dtor)(void *));
+
+int tss_create(tss_t *tss, tss_dtor_t dtor)
+{
+ /* Different error returns are possible. C glues them together into
+ just failure notification. Can't be optimized to a tail call,
+ unless thrd_error equals EAGAIN. */
+ return __pthread_key_create(tss, dtor) ? thrd_error : thrd_success;
+}
diff --git a/src/thread/tss_delete.c b/src/thread/tss_delete.c
new file mode 100644
index 0000000..7d7aacb
--- /dev/null
+++ b/src/thread/tss_delete.c
@@ -0,0 +1,7 @@
+#include <threads.h>
+
+int __pthread_key_delete(tss_t k);
+
+void (tss_delete)(tss_t key) {
+ (void)__pthread_key_delete(key);
+}
diff --git a/src/thread/tss_set.c b/src/thread/tss_set.c
new file mode 100644
index 0000000..70c4fb7
--- /dev/null
+++ b/src/thread/tss_set.c
@@ -0,0 +1,13 @@
+#include "pthread_impl.h"
+#include <threads.h>
+
+int tss_set(tss_t k, void *x)
+{
+ struct pthread *self = __pthread_self();
+ /* Avoid unnecessary COW */
+ if (self->tsd[k] != x) {
+ self->tsd[k] = x;
+ self->tsd_used = 1;
+ }
+ return thrd_success;
+}
--
1.7.10.4
next prev parent reply other threads:[~2014-08-30 18:47 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-30 18:46 [PATCH 0/8] C thread patch series, v. 8.3 and 9.4 Jens Gustedt
2014-08-30 18:46 ` [PATCH 1/8] interface additions for the C thread implementation Jens Gustedt
2014-08-30 18:46 ` [PATCH 2/8] additions to src/time Jens Gustedt
2014-08-31 0:13 ` Rich Felker
2014-08-31 7:15 ` Jens Gustedt
2014-08-31 12:45 ` Rich Felker
2014-08-30 18:46 ` [PATCH 3/8] use weak symbols for the POSIX functions that will be used by C threads Jens Gustedt
2014-08-31 0:17 ` Rich Felker
2014-08-31 7:18 ` Jens Gustedt
2014-08-30 18:47 ` Jens Gustedt [this message]
2014-08-30 18:47 ` [PATCH 5/8] add the functions for mtx_t Jens Gustedt
2014-08-30 18:47 ` [PATCH 6/8] add the functions for cnd_t Jens Gustedt
2014-08-31 0:35 ` Rich Felker
2014-08-31 7:26 ` Jens Gustedt
2014-08-30 18:47 ` [PATCH 7/8] add the thrd_xxxxxx functions Jens Gustedt
2014-08-31 0:46 ` Rich Felker
2014-08-31 7:57 ` Jens Gustedt
2014-08-31 9:51 ` Alexander Monakov
2014-08-31 10:50 ` Jens Gustedt
2014-08-31 11:06 ` Alexander Monakov
2014-08-31 11:31 ` Szabolcs Nagy
2014-08-31 12:57 ` Rich Felker
2014-08-31 13:19 ` Jens Gustedt
2014-08-31 14:05 ` Rich Felker
2014-08-31 15:07 ` Jens Gustedt
2014-08-31 16:06 ` Rich Felker
2014-08-31 16:36 ` Jens Gustedt
2014-08-31 17:02 ` Rich Felker
2014-08-31 19:10 ` Jens Gustedt
2014-09-01 0:04 ` Rich Felker
2014-08-30 18:47 ` [PATCH 8/8] Separate pthread_create and thrd_create Jens Gustedt
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