All of lore.kernel.org
 help / color / mirror / Atom feed
From: Tal Shnaiderman <talshn@nvidia.com>
To: dev@dpdk.org
Cc: thomas@monjalon.net, pallavi.kadam@intel.com,
	dmitry.kozliuk@gmail.com, navasile@linux.microsoft.com,
	dmitrym@microsoft.com
Subject: [dpdk-dev] [PATCH v2] eal/windows: add pthread TLS function support
Date: Sun, 13 Dec 2020 22:24:37 +0200	[thread overview]
Message-ID: <20201213202437.12880-1-talshn@nvidia.com> (raw)

Add the following functions to the pthread shim implementation
for Windows as they are needed for thread safe rte_flow functions.

pthread_key_create.
pthread_key_delete.
pthread_getspecific.
pthread_setspecific.

Signed-off-by: Tal Shnaiderman <talshn@nvidia.com>
---
v2: fix style issues
---
 lib/librte_eal/windows/include/pthread.h | 43 ++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/lib/librte_eal/windows/include/pthread.h b/lib/librte_eal/windows/include/pthread.h
index fb11a07ce6..8fe18e6f00 100644
--- a/lib/librte_eal/windows/include/pthread.h
+++ b/lib/librte_eal/windows/include/pthread.h
@@ -34,6 +34,8 @@ typedef CRITICAL_SECTION pthread_mutex_t;
 
 typedef SYNCHRONIZATION_BARRIER pthread_barrier_t;
 
+typedef DWORD pthread_key_t;
+
 #define pthread_barrier_init(barrier, attr, count) \
 	InitializeSynchronizationBarrier(barrier, count, -1)
 #define pthread_barrier_wait(barrier) EnterSynchronizationBarrier(barrier, \
@@ -179,6 +181,47 @@ pthread_mutex_destroy(pthread_mutex_t *mutex)
 	return 0;
 }
 
+static inline int
+pthread_key_create(pthread_key_t *key,
+		    __rte_unused void (*destructor)(void *))
+{
+	*key = TlsAlloc();
+	if ((*key) == TLS_OUT_OF_INDEXES) {
+		RTE_LOG_WIN32_ERR("TlsAlloc()");
+		return -ENOMEM;
+	}
+	return 0;
+}
+
+static inline int
+pthread_key_delete(pthread_key_t key)
+{
+	if (!TlsFree(key)) {
+		RTE_LOG_WIN32_ERR("TlsFree()");
+		return -1;
+	}
+	return 0;
+}
+
+static inline void *
+pthread_getspecific(pthread_key_t key)
+{
+	return TlsGetValue(key);
+}
+
+static inline int
+pthread_setspecific(pthread_key_t key, const void *value)
+{
+	/* discard const qualifier */
+	char *p = (char *) (uintptr_t) value;
+
+	if (!TlsSetValue(key, p)) {
+		RTE_LOG_WIN32_ERR("TlsSetValue()");
+		return -1;
+	}
+	return 0;
+}
+
 #ifdef __cplusplus
 }
 #endif
-- 
2.16.1.windows.4


             reply	other threads:[~2020-12-13 20:25 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-13 20:24 Tal Shnaiderman [this message]
2020-12-15 22:36 ` [dpdk-dev] [PATCH v2] eal/windows: add pthread TLS function support Dmitry Kozlyuk
2020-12-17 17:49 ` [dpdk-dev] [PATCH v3] eal: add generic thread-local-storage functions Tal Shnaiderman
2020-12-17 20:56   ` Dmitry Kozlyuk
2020-12-18 19:37     ` Tal Shnaiderman
2020-12-22  7:30   ` [dpdk-dev] [PATCH v4] " Tal Shnaiderman
2020-12-23  1:18     ` Dmitry Kozlyuk
2020-12-23 11:44       ` Tal Shnaiderman
2020-12-23 11:58         ` Dmitry Kozlyuk
2020-12-23 18:16           ` [dpdk-dev] [EXTERNAL] " Dmitry Malloy (MESHCHANINOV)
2020-12-26 16:08     ` [dpdk-dev] [PATCH v5] " Tal Shnaiderman
2020-12-29 23:13       ` Dmitry Kozlyuk
2020-12-30 10:04         ` Tal Shnaiderman
2020-12-30 11:12       ` [dpdk-dev] [PATCH v6] " Tal Shnaiderman
2021-01-01 22:16         ` Dmitry Kozlyuk
2021-01-05 11:53         ` Thomas Monjalon
2021-01-05 17:06       ` [dpdk-dev] [PATCH v7 0/2] support generic threading functions Tal Shnaiderman
2021-01-05 17:06         ` [dpdk-dev] [PATCH v7 1/2] eal: move thread affinity functions to new file Tal Shnaiderman
2021-01-06 14:40           ` Dmitry Kozlyuk
2021-01-06 19:45           ` [dpdk-dev] [PATCH v8 0/2] support generic threading functions Tal Shnaiderman
2021-01-06 19:45             ` [dpdk-dev] [PATCH v8 1/2] eal: move thread affinity functions to new file Tal Shnaiderman
2021-01-06 19:45             ` [dpdk-dev] [PATCH v8 2/2] eal: add generic thread-local-storage functions Tal Shnaiderman
2021-01-06 20:10               ` Dmitry Kozlyuk
2021-01-06 20:33                 ` Tal Shnaiderman
2021-01-06 20:35             ` [dpdk-dev] [PATCH v9 0/2] support generic threading functions Tal Shnaiderman
2021-01-06 20:35               ` [dpdk-dev] [PATCH v9 1/2] eal: move thread affinity functions to new file Tal Shnaiderman
2021-01-06 20:35               ` [dpdk-dev] [PATCH v9 2/2] eal: add generic thread-local-storage functions Tal Shnaiderman
2021-01-07 14:46                 ` Dmitry Kozlyuk
2021-02-10 13:33                 ` Burakov, Anatoly
2021-02-10 14:26                   ` Medvedkin, Vladimir
2021-02-11  7:34                     ` Tal Shnaiderman
2021-02-11  7:26                   ` Tal Shnaiderman
2021-01-11 22:33               ` [dpdk-dev] [PATCH v9 0/2] support generic threading functions Thomas Monjalon
2021-01-05 17:06         ` [dpdk-dev] [PATCH v7 2/2] eal: add generic thread-local-storage functions Tal Shnaiderman
2021-01-06 15:05           ` Dmitry Kozlyuk
2021-01-06 16:04             ` Tal Shnaiderman

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20201213202437.12880-1-talshn@nvidia.com \
    --to=talshn@nvidia.com \
    --cc=dev@dpdk.org \
    --cc=dmitry.kozliuk@gmail.com \
    --cc=dmitrym@microsoft.com \
    --cc=navasile@linux.microsoft.com \
    --cc=pallavi.kadam@intel.com \
    --cc=thomas@monjalon.net \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.