* lib/pthread-tss.c: New file.
* m4/pthread-tss.m4: New file.
* modules/pthread-tss: New file.
* doc/posix-functions/pthread_key_create.texi: Mention the new module.
* doc/posix-functions/pthread_setspecific.texi: Likewise.
* doc/posix-functions/pthread_getspecific.texi: Likewise.
* doc/posix-functions/pthread_key_delete.texi: Likewise.
+2019-07-14 Bruno Haible <bruno@clisp.org>
+
+ pthread-tss: New module.
+ * lib/pthread-tss.c: New file.
+ * m4/pthread-tss.m4: New file.
+ * modules/pthread-tss: New file.
+ * doc/posix-functions/pthread_key_create.texi: Mention the new module.
+ * doc/posix-functions/pthread_setspecific.texi: Likewise.
+ * doc/posix-functions/pthread_getspecific.texi: Likewise.
+ * doc/posix-functions/pthread_key_delete.texi: Likewise.
+
2019-07-14 Bruno Haible <bruno@clisp.org>
pthread-cond: New module.
POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_getspecific.html}
-Gnulib module: ---
+Gnulib module: pthread-tss
Portability problems fixed by Gnulib:
@itemize
+@item
+This function is missing on some platforms:
+Minix 3.1.8, mingw, MSVC 14.
+But the provided replacement is just a dummy on some of these platforms:
+Minix 3.1.8.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
-@item
-This function is missing on some platforms:
-Minix 3.1.8, mingw, MSVC 14.
@end itemize
POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_key_create.html}
-Gnulib module: ---
+Gnulib module: pthread-tss
Portability problems fixed by Gnulib:
@itemize
+@item
+This function is missing on some platforms:
+Minix 3.1.8, mingw, MSVC 14.
+But the provided replacement is just a dummy on some of these platforms:
+Minix 3.1.8.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
-@item
-This function is missing on some platforms:
-Minix 3.1.8, mingw, MSVC 14.
@end itemize
POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_key_delete.html}
-Gnulib module: ---
+Gnulib module: pthread-tss
Portability problems fixed by Gnulib:
@itemize
+@item
+This function is missing on some platforms:
+Minix 3.1.8, mingw, MSVC 14.
+But the provided replacement is just a dummy on some of these platforms:
+Minix 3.1.8.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
-@item
-This function is missing on some platforms:
-Minix 3.1.8, mingw, MSVC 14.
@end itemize
POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_setspecific.html}
-Gnulib module: ---
+Gnulib module: pthread-tss
Portability problems fixed by Gnulib:
@itemize
+@item
+This function is missing on some platforms:
+Minix 3.1.8, mingw, MSVC 14.
+But the provided replacement is just a dummy on some of these platforms:
+Minix 3.1.8.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
-@item
-This function is missing on some platforms:
-Minix 3.1.8, mingw, MSVC 14.
@end itemize
--- /dev/null
+/* POSIX thread-specific storage.
+ Copyright (C) 2010-2019 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2019. */
+
+#include <config.h>
+
+/* Specification. */
+#include <pthread.h>
+
+#if (defined _WIN32 && ! defined __CYGWIN__) && USE_WINDOWS_THREADS
+# include "windows-tls.h"
+#else
+# include <stdlib.h>
+#endif
+
+#if (defined _WIN32 && ! defined __CYGWIN__) && USE_WINDOWS_THREADS
+/* Use Windows threads. */
+
+int
+pthread_key_create (pthread_key_t *keyp, void (*destructor) (void *))
+{
+ return glwthread_tls_key_create (keyp, destructor);
+}
+
+int
+pthread_setspecific (pthread_key_t key, const void *value)
+{
+ return glwthread_tls_set (key, (void *) value);
+}
+
+void *
+pthread_getspecific (pthread_key_t key)
+{
+ return glwthread_tls_get (key);
+}
+
+int
+pthread_key_delete (pthread_key_t key)
+{
+ return glwthread_tls_key_delete (key);
+}
+
+#elif HAVE_PTHREAD_H
+/* Provide workarounds for POSIX threads. */
+
+#else
+/* Provide a dummy implementation for single-threaded applications. */
+
+int
+pthread_key_create (pthread_key_t *keyp, void (*destructor) (void *))
+{
+ pthread_key_t key = (void **) malloc (sizeof (void *));
+ if (key == NULL)
+ return ENOMEM;
+ *key = NULL;
+ *keyp = key;
+ return 0;
+}
+
+int
+pthread_setspecific (pthread_key_t key, const void *value)
+{
+ *key = (void *) value;
+ return 0;
+}
+
+void *
+pthread_getspecific (pthread_key_t key)
+{
+ return *key;
+}
+
+int
+pthread_key_delete (pthread_key_t key)
+{
+ free (key);
+ return 0;
+}
+
+#endif
--- /dev/null
+# pthread-tss.m4 serial 1
+dnl Copyright (C) 2019 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_PTHREAD_TSS],
+[
+ AC_REQUIRE([gl_PTHREAD_H])
+ AC_REQUIRE([AC_CANONICAL_HOST])
+
+ if { case "$host_os" in mingw*) true;; *) false;; esac; } \
+ && test $gl_threads_api = windows; then
+ dnl Choose function names that don't conflict with the mingw-w64 winpthreads
+ dnl library.
+ REPLACE_PTHREAD_KEY_CREATE=1
+ REPLACE_PTHREAD_SETSPECIFIC=1
+ REPLACE_PTHREAD_GETSPECIFIC=1
+ REPLACE_PTHREAD_KEY_DELETE=1
+ else
+ if test $HAVE_PTHREAD_H = 0; then
+ HAVE_PTHREAD_KEY_CREATE=0
+ HAVE_PTHREAD_SETSPECIFIC=0
+ HAVE_PTHREAD_GETSPECIFIC=0
+ HAVE_PTHREAD_KEY_DELETE=0
+ fi
+ fi
+])
--- /dev/null
+Description:
+POSIX thread-specific storage.
+
+Files:
+lib/pthread-tss.c
+m4/pthread-tss.m4
+
+Depends-on:
+pthread-h
+windows-tls [test $gl_threads_api = windows]
+
+configure.ac:
+gl_PTHREAD_TSS
+if test $HAVE_PTHREAD_KEY_CREATE = 0 || test $REPLACE_PTHREAD_KEY_CREATE = 1; then
+ AC_LIBOBJ([pthread-tss])
+fi
+gl_PTHREAD_MODULE_INDICATOR([pthread-tss])
+
+Makefile.am:
+
+Include:
+<pthread.h>
+
+Link:
+$(LIBMULTITHREAD)
+
+License:
+LGPLv2+
+
+Maintainer:
+all