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Add posibility for user to select Thread backend directly

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Patrick Pelissier committed 2020-07-02 00:09:54 +02:00
1 parent 4aa93325e9
commit 6743cb9456
2 files changed
+21 -9
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README.md
+6 -3
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@@ -6040,9 +6040,12 @@ If the C11 implementation does not respect the C standard
(i.e. the compiler targets C11 mode (i.e. the compiler targets C11 mode
the \_\_STDC\_NO\_THREADS\_\_ macro is not defined the \_\_STDC\_NO\_THREADS\_\_ macro is not defined
but the header threads.h is not available or not working), but the header threads.h is not available or not working),
then the user shall define manually the M\_USE\_C11\_NO\_THREADS then the user shall define manually the M\_USE\_THREAD\_BACKEND
macro before including any M\*LIB header to disable it, so that macro to select the back end to use:
M\*LIB can select another implementation.
* 1: for C11
* 2: for WINDOWS
* 3: for PTHREAD
Example: Example:
m-mutex.h
+15 -6
View File
@@ -25,11 +25,21 @@
#ifndef MSTARLIB_MUTEX_H #ifndef MSTARLIB_MUTEX_H
#define MSTARLIB_MUTEX_H #define MSTARLIB_MUTEX_H
#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L \ /* Auto-detect the thread backend to use if the user has not override it */
&& !defined(__STDC_NO_THREADS__) \ #ifndef M_USE_THREAD_BACKEND
&& !defined(M_USE_C11_NO_THREADS) # if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L \
&& !defined(__STDC_NO_THREADS__)
# define M_USE_THREAD_BACKEND 1
# elif defined(WIN32) || defined(_WIN32) || defined(__CYGWIN__)
# define M_USE_THREAD_BACKEND 2
# else
# define M_USE_THREAD_BACKEND 3
# endif
#endif
/****************************** C11 version ********************************/ /****************************** C11 version ********************************/
#if M_USE_THREAD_BACKEND == 1
#include <threads.h> #include <threads.h>
#include <assert.h> #include <assert.h>
@@ -159,10 +169,9 @@ static inline void m_oncei_call(m_oncei_t o, void (*func)(void))
M_END_PROTECTED_CODE M_END_PROTECTED_CODE
// MSYS2 doesn't define _WIN32 by default but __CYGWIN__
#elif defined(WIN32) || defined(_WIN32) || defined(__CYGWIN__)
/****************************** WIN32 version ******************************/ /****************************** WIN32 version ******************************/
#elif M_USE_THREAD_BACKEND == 2
/* CLANG provides some useless and wrong warnings: /* CLANG provides some useless and wrong warnings:
* - _WIN32_WINNT starts with '_' which is reserved by the standard * - _WIN32_WINNT starts with '_' which is reserved by the standard
@@ -333,9 +342,9 @@ static inline void m_oncei_call(m_oncei_t o, void (*func)(void))
M_END_PROTECTED_CODE M_END_PROTECTED_CODE
#else
/**************************** PTHREAD version ******************************/ /**************************** PTHREAD version ******************************/
#else
#include <pthread.h> #include <pthread.h>
#ifdef _POSIX_PRIORITY_SCHEDULING #ifdef _POSIX_PRIORITY_SCHEDULING