_POSIX_C_SOURCE是一个宏定义，用于指定编译器应该符合的特定版本的POSIX标准。具体来说，_POSIX_C_SOU...
The Thrift library makes use of POSIX C functions such as ctime_r(), which are not part of the ISO C standard. This commit adds a Thrift module-wide_POSIX_C_SOURCEfeature test macro definition in order to ensure that the required POSIX C functions are available when compiling the Thrift ...
If the compiler supports the redefine_extname pragma feature, the Oracle Developer Studio C Compiler and C++ Compiler define the macro __PRAGMA_REDEFINE_EXTNAME to indicate that they support this feature.如果不满足前面的条件,则标准头会使用 #pragma redefine_extname 指令将函数名称正确映射到库入口点名...
(sigset_t*set);intsigaddset(sigset_t*set,intsignum);intsigdelset(sigset_t*set,intsignum);intsigismember(constsigset_t*set,intsignum);Feature Test Macro Requirements for glibc (seefeature_test_macros(7)):sigemptyset(),sigfillset(),sigaddset(),sigdelset(),sigismember(): _POSIX_C_SOURCE...
宏:可能会有人对宏没概念,简单说明下,我们在计算机领域说的宏(Macro),是批量处理的一个说法。宏是一种通过某种指定规则来处理数据的过程,可以称之为语法替换(大家应该在编辑器里匹配替换过数据,但这这里要复杂点),这里不同数据替换,宏是获取某种输入(通常是字符串),然后如何根据事先定义的规则,转换成对应的输出...
Feature Test Macro Requirements for glibc (see feature_test_macros(7)): posix_memalign(): _POSIX_C_SOURCE >= 200112L aligned_alloc(): _ISOC11_SOURCE valloc(): Since glibc 2.12: (_XOPEN_SOURCE >= 500) && !(_POSIX_C_SOURCE >= 200112L) || /* Glibc since 2.19: */ _DEFAULT_SOURC...
宏:可能会有人对宏没概念,简单说明下,我们在计算机领域说的宏(Macro),是批量处理的一个说法。宏是一种通过某种指定规则来处理数据的过程,可以称之为语法替换(大家应该在编辑器里匹配替换过数据,但这这里要复杂点),这里不同数据替换,宏是获取某种输入(通常是字符串),然后如何根据事先定义的规则,转换成对应的输出...
Feature Test Macro Requirements for glibc (see feature_test_macros(7)): posix_fallocate(): _POSIX_C_SOURCE >= 200112L DESCRIPTION The function posix_fallocate() ensures that disk space is allocated for the file referred to by the file descriptor fd for the bytes in the range starting ...
EL/IX has initially been implemented as a configurable compatibility layer on eCos, an open-source RTOS, much in the same way as Red Hat already provides an optional microITRON compatibility layer for eCos. This implementation proved two things: We can build an API that really does provide a...
../../src/../src/common/os_posix.c:37:9: error: macro is not used [-Werror,-Wunused-macros] #define _GNU_SOURCE ^ 3 errors generated. make[5]: *** [../nondebug/libpmem/os_posix.o] Error 1 ../../src/../src/common/os_thread_posix.c:67:2: error: array size is negat...