diff options
| author | Luke T. Shumaker <lukeshu@lukeshu.com> | 2024-11-21 20:05:43 -0700 |
|---|---|---|
| committer | Luke T. Shumaker <lukeshu@lukeshu.com> | 2024-11-23 13:53:35 -0700 |
| commit | 3064cb13577edd31d3a3ceb79b2bc72314ec208b (patch) | |
| tree | 9e8a553b25230a1f883d14189ba5362ddce91a14 | |
| parent | 1f644055705aa698af3a248cba938ddb95524a1b (diff) | |
libcr: coroutine.c: Move things around
| -rw-r--r-- | libcr/coroutine.c | 44 |
1 files changed, 22 insertions, 22 deletions
diff --git a/libcr/coroutine.c b/libcr/coroutine.c index 35a060d..cb872b0 100644 --- a/libcr/coroutine.c +++ b/libcr/coroutine.c @@ -39,12 +39,12 @@ #error config.h must define CONFIG_COROUTINE_VALGRIND #endif +/* Implementation *************************************************************/ + #if CONFIG_COROUTINE_VALGRIND #include <valgrind/valgrind.h> #endif -/* Implementation *************************************************************/ - /* * Portability notes: * @@ -137,26 +137,6 @@ #endif /*==================================================================== - * Wrappers for setjmp()/longjmp() that do *not* save the - * interrupt mask. */ -#if __unix__ - /* On __unix__, we use POSIX real-time signals as interrupts. - * POSIX leaves it implementation-defined whether - * setjmp()/longjmp() save the signal mask; while glibc does - * not save it, let's not rely on that. */ - #define cr_plat_setjmp(env) sigsetjmp(env, 0) - #define cr_plat_longjmp(env, val) siglongjmp(env, val) -#elif __NEWLIB__ - /* newlib does not have sigsetjmp()/sigsetlongjmp(), but - * setjmp()/longjmp() do not save the interrupt mask, * so we - * can use them directly. */ - #define cr_plat_setjmp(env) setjmp(env) - #define cr_plat_longjmp(env, val) longjmp(env, val) -#else - #error unsupported platform (not __unix__, not __NEWLIB__) -#endif - -/*==================================================================== * Interrupt management routines. */ #if __unix__ #include <signal.h> /* for sig*, SIG* */ @@ -315,6 +295,26 @@ #error unsupported CPU (not __ARM_ARCH_6M__, not __x86_64__) #endif +/*==================================================================== + * Wrappers for setjmp()/longjmp() that do *not* save the + * interrupt mask. */ +#if __unix__ + /* On __unix__, we use POSIX real-time signals as interrupts. + * POSIX leaves it implementation-defined whether + * setjmp()/longjmp() save the signal mask; while glibc does + * not save it, let's not rely on that. */ + #define cr_plat_setjmp(env) sigsetjmp(env, 0) + #define cr_plat_longjmp(env, val) siglongjmp(env, val) +#elif __NEWLIB__ + /* newlib does not have sigsetjmp()/sigsetlongjmp(), but + * setjmp()/longjmp() do not save the interrupt mask, * so we + * can use them directly. */ + #define cr_plat_setjmp(env) setjmp(env) + #define cr_plat_longjmp(env, val) longjmp(env, val) +#else + #error unsupported platform (not __unix__, not __NEWLIB__) +#endif + #if 0 } #endif |