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Anonymous committed 111326c

Add sched.c and sem.c

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Files changed (13)

+#
+# NOTE! Don't add files that are generated in specific
+# subdirectories here. Add them in the ".gitignore" file
+# in that subdirectory instead.
+#
+# NOTE! Please use 'git ls-files -i --exclude-standard'
+# command after changing this file, to see if there are
+# any tracked files which get ignored after the change.
+#
+# Normal rules
+#
+.*
+*~
+*.a
+*.bz2
+*.dll
+*.exe
+*.gz
+*.lst
+*.lzma
+*.lzo
+*.o
+*.o.*
+*.orig
+*.patch
+*.s
+*.so
+*.xz
+
+#
+# Top-level generic files
+#
+/aclocal.m4
+/config.h.in
+
+#
+# git files that we don't want to ignore even it they are dot-files
+#
+!.gitignore
+#
+# http://www.cmake.org/Wiki/CMake
+# cmake --help
+# cmake --help-command-list
+#
+# cmake -G "Unix Makefiles"
+# cmake -G "NMake Makefiles" -DCMAKE_BUILD_TYPE=Release
+# cmake -G "MinGW Makefiles" -DCMAKE_BUILD_TYPE=Release -DCMAKE_MAKE_PROGRAM=gmake
+#
+# If you want to use 32bit gcc which is capable of multilib support to generate 64bit objects:
+# SET CFLAGS="-m64", SET CXXFLAGS="-m64", SET RCFLAGS="-F pe-x86-64", SET LDFLAGS="-m64 -s -static"
+# cmake -G "MinGW Makefiles" -DCMAKE_BUILD_TYPE=Release -DCMAKE_MAKE_PROGRAM=gmake
+#
+# http://www.cmake.org/Wiki/CMake_Cross_Compiling
+# LDFLAGS="-m64 -s -static" \
+# cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release -DCMAKE_SYSTEM_NAME=Windows -DCMAKE_C_COMPILER=i686-w64-mingw32-gcc
+#
+# If you want to use 32bit gcc which is capable of multilib support to generate 64bit objects:
+# CFLAGS="-m64" CXXFLAGS="-m64" LDFLAGS="-m64" RCFLAGS="-F pe-x86-64" \
+# cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release -DCMAKE_SYSTEM_NAME=Windows -DCMAKE_C_COMPILER=i686-w64-mingw32-gcc
+#
+# http://www.cmake.org/Wiki/CMake:CPackPackageGenerators
+# cpack -C CPackConfig.cmake -G ZIP
+# cpack -C CPackConfig.cmake
+#
+# http://www.cmake.org/Wiki/CMake_Testing_With_CTest
+# ctest -D Experimental
+# ctest -D Help
+#
+# export PATH=${HOME}/gcc-4.6-windows-linux/bin:/usr/sbin:/usr/bin:/sbin:/bin
+# i686-w64-mingw32-gcc -march=x86-64 -mtune=generic -dM -E -  < /dev/null | sort
+# signtool sign /t http://timestamp.verisign.com/scripts/timstamp.dll libpthread.dll
+#
+
+CMAKE_MINIMUM_REQUIRED (VERSION 2.8)
+
+IF (NOT CMAKE_BUILD_TYPE)
+    SET(CMAKE_BUILD_TYPE "Release")
+ENDIF (NOT CMAKE_BUILD_TYPE)
+
+PROJECT(Libpthread)
+SET(Libpthread_VERSION_MAJOR 0)
+SET(Libpthread_VERSION_MINOR 1)
+SET(Libpthread_VERSION_PATCH 0)
+
+if (MSVC)
+    SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W3")
+    ADD_DEFINITIONS("/DWIN32_LEAN_AND_MEAN /D_WIN32_WINNT=0x0500 /D_CRT_SECURE_NO_WARNINGS /D_CRT_NONSTDC_NO_WARNINGS")
+ELSEIF(CMAKE_COMPILER_IS_GNUCC)
+    IF ("${CMAKE_BUILD_TYPE}" STREQUAL "Debug")
+        # perform coverage test by gcov
+        SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -static -Wall -Wextra -Wformat-security -fprofile-arcs -ftest-coverage")
+    ELSE()
+        SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -static -Wall")
+    ENDIF()
+
+    ADD_DEFINITIONS("-DWIN32_LEAN_AND_MEAN -D_WIN32_WINNT=0x0500")
+ENDIF()
+
+# INCLUDE_DIRECTORIES("${PROJECT_BINARY_DIR}")
+INCLUDE_DIRECTORIES("${PROJECT_SOURCE_DIR}/include")
+
+# ADD_SUBDIRECTORY(src)
+# ADD_SUBDIRECTORY(test)
+
+# http://www.cmake.org/Wiki/CMake_Testing_With_CTest
+INCLUDE(CTest)
+ENABLE_TESTING()
+# ADD_TEST(SimpleTest ${EXECUTABLE_OUTPUT_PATH}/SimpleTest Hello)
+
+# CMAKE_INSTALL_PREFIX
+# INSTALL(FILES "${PROJECT_BINARY_DIR}/include/bkpublic.h" DESTINATION include)
+
+# http://www.cmake.org/Wiki/CMake:CPackConfiguration
+INCLUDE(InstallRequiredSystemLibraries)
+SET(CPACK_PACKAGE_NAME Libpthread)
+SET(CPACK_PACKAGE_VERSION_MAJOR "${Libpthread_VERSION_MAJOR}")
+SET(CPACK_PACKAGE_VERSION_MINOR "${Libpthread_VERSION_MINOR}")
+SET(CPACK_PACKAGE_VERSION_PATCH "${Libpthread_VERSION_PATCH}")
+SET(CPACK_PACKAGE_INSTALL_DIRECTORY "${CPACK_PACKAGE_NAME}-${Libpthread_VERSION_MAJOR}-${Libpthread_VERSION_MINOR}")
+INCLUDE(CPack)
+This file contains the PGP & GPG keys of various Libpthread developers.
+Please ensure that your key is also available via the PGP keyservers
+(such as pgpkeys.mit.edu).
+
+Type  Bits/KeyID     Date       User ID
+pub   2048R/46D397FF 2008-02-02 Dongsheng Song <dongsheng@apache.org>
+      Key fingerprint = 3DA8 ECBB 5757 2D64 9F3C  0811 0401 AA20 46D3 97FF
+
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+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+#ifndef _SCHED_H_
+#define _SCHED_H_       1
+
+#ifndef _PID_T_
+#include <sys/types.h> /* Adding pid_t definition.  */
+#endif
+
+#ifndef _TIME_T_DEFINED
+#include <time.h> /* Adding time_t definition.  */
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef _PID_T_
+    #define _PID_T_     1
+    #ifdef _WIN64
+        typedef __int64 pid_t;
+    #else
+        typedef int     pid_t;
+    #endif
+#endif
+
+#ifndef _TIMESPEC_DEFINED
+#define _TIMESPEC_DEFINED
+struct timespec {
+  time_t  tv_sec;       /* Seconds */
+  long    tv_nsec;      /* Nanoseconds */
+};
+
+struct itimerspec {
+  struct timespec  it_interval; /* Timer period */
+  struct timespec  it_value;    /* Timer expiration */
+};
+#endif  /* _TIMESPEC_DEFINED */
+
+#ifndef SCHED_OTHER
+
+#define SCHED_OTHER     0 /* NORMAL_PRIORITY_CLASS */
+#define SCHED_FIFO      1
+#define SCHED_RR        2
+#define SCHED_MIN       SCHED_OTHER
+#define SCHED_MAX       SCHED_RR
+
+struct sched_param {
+  int sched_priority;
+};
+
+int sched_yield(void);
+int sched_rr_get_interval(pid_t pid, struct timespec * tp);
+int sched_get_priority_min(int pol);
+int sched_get_priority_max(int pol);
+int sched_getscheduler(pid_t pid);
+int sched_setscheduler(pid_t pid, int policy, const struct sched_param *param);
+int sched_getparam(pid_t pid, struct sched_param *param);
+int sched_setparam(pid_t pid, const struct sched_param *param);
+
+#endif /* SCHED_OTHER */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SCHED_H_ */

include/semaphore.h

+#ifndef _SEMAPHORE_H_
+#define _SEMAPHORE_H_   1
+
+#ifndef _MODE_T_
+#include <sys/types.h> /* Adding mod_t definition.  */
+#endif
+
+#ifndef _TIME_T_DEFINED
+#include <time.h> /* Adding time_t definition.  */
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef _MODE_T_
+#define _MODE_T_
+typedef unsigned short _mode_t;
+
+#ifndef NO_OLDNAMES
+typedef _mode_t mode_t;
+#endif
+#endif  /* Not _MODE_T_ */
+
+#ifndef _TIMESPEC_DEFINED
+#define _TIMESPEC_DEFINED
+struct timespec {
+  time_t  tv_sec;       /* Seconds */
+  long    tv_nsec;      /* Nanoseconds */
+};
+
+struct itimerspec {
+  struct timespec  it_interval; /* Timer period */
+  struct timespec  it_value;    /* Timer expiration */
+};
+#endif  /* _TIMESPEC_DEFINED */
+
+typedef void    *sem_t;
+
+#define SEM_VALUE_MAX   INT_MAX
+#define SEM_FAILED      NULL
+
+int sem_init(sem_t * sem, int pshared, unsigned int value);
+int sem_destroy(sem_t *sem);
+int sem_wait(sem_t *sem);
+int sem_trywait(sem_t *sem);
+int sem_timedwait(sem_t *sem, const struct timespec *abs_timeout);
+int sem_post(sem_t *sem);
+
+sem_t *sem_open(const char *name, int oflag, mode_t mode, unsigned int value);
+int sem_close(sem_t *sem);
+int sem_unlink(const char *name);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SEMAPHORE_H_ */

src/CMakeLists.txt

Empty file added.
+#include <winsock2.h>
+
+typedef struct
+{
+    HANDLE handle;
+    volatile int value;
+} arch_sem_t;

src/libpthread.def

+EXPORTS
+    ;pthread_create
+    ;pthread_exit
+    ;pthread_self
+    ;pthread_equal
+    ;pthread_detach
+    ;pthread_join
+
+    ;pthread_cleanup_push
+    ;pthread_cleanup_pop
+
+    ;pthread_cancel
+    ;pthread_kill
+    ;pthread_setcancelstate
+    ;pthread_setcanceltype
+    ;pthread_testcancel
+
+    ;pthread_attr_init
+    ;pthread_attr_destroy
+    ;pthread_attr_getstacksize
+    ;pthread_attr_setstacksize
+    ;pthread_attr_setdetachstate
+    ;pthread_attr_getdetachstate
+
+    ;pthread_key_create
+    ;pthread_key_delete
+    ;pthread_setspecific
+    ;pthread_getspecific
+
+    ;pthread_mutex_destroy
+    ;pthread_mutex_init
+    ;pthread_mutex_lock
+    ;pthread_mutex_unlock
+
+    sched_get_priority_max
+    sched_get_priority_min
+    sched_getparam
+    sched_getscheduler
+    sched_rr_get_interval
+    sched_setparam
+    sched_setscheduler
+    sched_yield
+
+    sem_init
+    sem_destroy
+    sem_trywait
+    sem_timedwait
+    sem_wait
+    sem_post
+    sem_open
+    sem_close
+    sem_unlink
+#include <winsock2.h>
+
+#include "sched.h"
+
+/*
+ *  Windows Scheduling Priorities
+ *  http://msdn.microsoft.com/en-us/library/ms685100
+ */
+int sched_yield(void)
+{
+    SwitchToThread(); /* Sleep(0); */
+
+    return 0;
+}
+
+int sched_getscheduler(pid_t pid)
+{
+    return SCHED_OTHER;
+}
+
+int sched_setscheduler(pid_t pid, int policy, const struct sched_param *param)
+{
+    return 0;
+}
+
+int sched_get_priority_min(int policy)
+{
+    return THREAD_PRIORITY_IDLE;
+}
+
+int sched_get_priority_max(int policy)
+{
+    return THREAD_PRIORITY_TIME_CRITICAL;
+}
+
+int sched_setparam(pid_t pid, const struct sched_param *param)
+{
+    return 0;
+}
+
+int sched_getparam(pid_t pid, struct sched_param *param)
+{
+    param->sched_priority = THREAD_PRIORITY_NORMAL;
+    return 0;
+}
+
+int sched_rr_get_interval(pid_t pid, struct timespec * tp)
+{
+    tp->tv_sec = 0;
+    tp->tv_nsec = 15625000;
+    return 0;
+}
+#include <errno.h>
+#include <fcntl.h>
+#include <stdlib.h>
+
+#include <winsock2.h>
+
+#include "semaphore.h"
+#include "arch_sem.h"
+
+#ifndef PTHREAD_PROCESS_SHARED
+    #define PTHREAD_PROCESS_SHARED      0
+    #define PTHREAD_PROCESS_PRIVATE     1
+#endif
+
+#ifndef ETIMEDOUT
+#define ETIMEDOUT       138
+#endif
+
+extern HANDLE _libpthread_proc_heap;
+
+int sem_init(sem_t *sem, int pshared, unsigned int value)
+{
+    arch_sem_t *pv;
+
+    if (sem == NULL || value > (unsigned int) SEM_VALUE_MAX)
+        return set_errno(EINVAL);
+
+    if (pshared != PTHREAD_PROCESS_PRIVATE)
+        return set_errno(EPERM);
+
+    if (NULL == (pv = (arch_sem_t *)HeapAlloc(_libpthread_proc_heap, HEAP_ZERO_MEMORY, sizeof(arch_sem_t))))
+        return set_errno(ENOMEM);
+
+    if ((pv->handle = CreateSemaphore (NULL, 0, SEM_VALUE_MAX, NULL)) == NULL) {
+        HeapFree(_libpthread_proc_heap, 0, pv);
+        return set_errno(ENOSPC);
+    }
+
+    pv->value = value;
+    *sem = pv;
+    return 0;
+}
+
+int sem_destroy(sem_t *sem)
+{
+    arch_sem_t *pv = (arch_sem_t *) sem;
+
+    if (sem == NULL || pv == NULL)
+        return set_errno(EINVAL);
+
+    if (pv->value < 0)
+        return set_errno(EBUSY);
+
+    if (CloseHandle (pv->handle) == 0)
+        return set_errno(EINVAL);
+
+    HeapFree(_libpthread_proc_heap, 0, pv);
+    return 0;
+}
+
+int sem_post(sem_t *sem)
+{
+    arch_sem_t *pv = (arch_sem_t *) sem;
+
+    if (sem == NULL || pv == NULL)
+        return set_errno(EINVAL);
+
+    if (ReleaseSemaphore(pv->handle, 1, NULL) == 0)
+        return set_errno(EINVAL);
+
+    return 0;
+}
+
+int sem_wait(sem_t *sem)
+{
+    arch_sem_t *pv = (arch_sem_t *) sem;
+
+    if (sem == NULL || pv == NULL)
+        return set_errno(EINVAL);
+
+    if (WaitForSingleObject(pv->handle, INFINITE) != WAIT_OBJECT_0)
+        return set_errno(EPERM);
+
+    return 0;
+}
+
+int sem_trywait(sem_t *sem)
+{
+    unsigned rc;
+    arch_sem_t *pv = (arch_sem_t *) sem;
+
+    if (sem == NULL || pv == NULL)
+        return set_errno(EINVAL);
+
+    if ((rc = WaitForSingleObject(pv->handle, 0)) == WAIT_OBJECT_0)
+        return 0;
+
+    if (rc == WAIT_TIMEOUT)
+        return set_errno(ETIMEDOUT);
+
+    return set_errno(EPERM);
+}
+
+int sem_timedwait(sem_t *sem, const struct timespec *abs_timeout)
+{
+    unsigned rc;
+    arch_sem_t *pv = (arch_sem_t *) sem;
+
+    if (sem == NULL || pv == NULL)
+        return set_errno(EINVAL);
+
+    if ((rc = WaitForSingleObject(pv->handle, arch_rel_time_in_ms(abs_timeout))) == WAIT_OBJECT_0)
+        return 0;
+
+    if (rc == WAIT_TIMEOUT)
+        return set_errno(ETIMEDOUT);
+
+    return set_errno(EPERM);
+}
+
+sem_t *sem_open(const char *name, int oflag, mode_t mode, unsigned int value)
+{
+    unsigned rc;
+    int len;
+    char buffer[512];
+    arch_sem_t *pv;
+
+    if (value > (unsigned int) SEM_VALUE_MAX || (len = strlen(name)) > sizeof(buffer) - 8) {
+        set_errno(EINVAL);
+        return NULL;
+    }
+
+    if (NULL == (pv = (arch_sem_t *)HeapAlloc(_libpthread_proc_heap, HEAP_ZERO_MEMORY, sizeof(arch_sem_t)))) {
+        set_errno(ENOMEM);
+        return NULL;
+    }
+
+    memcpy(buffer, "Global\\", 7);
+    memcpy(buffer + 7, name, len);
+    buffer[len + 8] = '\0';
+
+    /* Only the creater can unlink the semaphore ! */
+    if((pv->handle = OpenSemaphoreA(SEMAPHORE_MODIFY_STATE, FALSE, buffer)) != NULL) {
+        if ((oflag & O_CREAT) && (oflag & O_EXCL)) {
+            CloseHandle(pv->handle);
+            HeapFree(_libpthread_proc_heap, 0, pv);
+            set_errno(EEXIST);
+            return NULL;
+        }
+        return (sem_t *) pv;
+    }
+
+    rc = GetLastError();
+    if (rc != ERROR_SEM_NOT_FOUND) {
+        HeapFree(_libpthread_proc_heap, 0, pv);
+        set_errno(EPERM);
+        return NULL;
+    }
+
+    if (!(oflag & O_CREAT)) {
+        HeapFree(_libpthread_proc_heap, 0, pv);
+        set_errno(ENOENT);
+        return NULL;
+    }
+
+    if ((pv->handle = CreateSemaphore (NULL, 0, SEM_VALUE_MAX, buffer)) == NULL)
+    {
+        HeapFree(_libpthread_proc_heap, 0, pv);
+        set_errno(ENOSPC);
+        return NULL;
+    }
+
+    return (sem_t *) pv;
+}
+
+int sem_close(sem_t *sem)
+{
+    return sem_destroy(sem);
+}
+
+/*
+ *  The semaphore object is destroyed when its last handle has been closed.
+ */
+int sem_unlink(const char *name)
+{
+    return 0;
+}
+#include <winver.h>
+
+#define PT4W_VERSION 0,1,0,0
+#define PT4W_VERSION_STRING "0, 1, 0, 0\0"
+
+#ifdef _WIN64
+    #if defined(_MSC_VER)
+        #define PT4W_VERSIONINFO_COMMENT "POSIX threads for Windows - 64bit (Microsoft C/C++ build)\0"
+    #elif defined(__GNUC__)
+        #define PT4W_VERSIONINFO_COMMENT "POSIX threads for Windows - 64bit (GNU C build)\0"
+    #else
+        #define PT4W_VERSIONINFO_COMMENT "POSIX threads for Windows - 64bit\0"
+    #endif
+#else
+    #if defined(_MSC_VER)
+        #define PT4W_VERSIONINFO_COMMENT "POSIX threads for Windows - 32bit (Microsoft C/C++ build)\0"
+    #elif defined(__GNUC__)
+        #define PT4W_VERSIONINFO_COMMENT "POSIX threads for Windows - 32bit (GNU C build)\0"
+    #else
+        #define PT4W_VERSIONINFO_COMMENT "POSIX threads for Windows - 32bit\0"
+    #endif
+#endif
+
+VS_VERSION_INFO VERSIONINFO
+  FILEVERSION    PT4W_VERSION
+  PRODUCTVERSION PT4W_VERSION
+  FILEFLAGSMASK  VS_FFI_FILEFLAGSMASK
+  FILEFLAGS      0
+  FILEOS         VOS__WINDOWS32
+  FILETYPE       VFT_DLL
+  FILESUBTYPE 0x0L
+BEGIN
+    BLOCK "StringFileInfo"
+    BEGIN
+        BLOCK "040904b0"
+        BEGIN
+            VALUE "ProductName", PT4W_VERSIONINFO_COMMENT
+            VALUE "FileDescription", PT4W_VERSIONINFO_COMMENT
+            VALUE "ProductVersion", PT4W_VERSION_STRING
+            VALUE "FileVersion", PT4W_VERSION_STRING
+            VALUE "InternalName", "libpthread.dll\0"
+            VALUE "OriginalFilename", "libpthread.dll\0"
+            VALUE "LegalCopyright", "Apache License Version 2.0\0"
+        END
+    END
+    BLOCK "VarFileInfo"
+    BEGIN
+        VALUE "Translation", 0x409, 1200
+    END
+END

test/CMakeLists.txt

Empty file added.