diff options
Diffstat (limited to 'src/platform/platform.h')
| -rw-r--r-- | src/platform/platform.h | 31 |
1 files changed, 25 insertions, 6 deletions
diff --git a/src/platform/platform.h b/src/platform/platform.h index 36ec207c..0d958c65 100644 --- a/src/platform/platform.h +++ b/src/platform/platform.h @@ -23,10 +23,16 @@ #ifndef PLATFORM_H #define PLATFORM_H -#include <stdlib.h> -#include <stdint.h> +/* + * We require some standard C header files. The only one of these that might + * be problematic is <stdint.h>, which is required for C99. Older versions + * of the Windows compilers might not have this. However, latest versions of + * MS Studio have a functional <stdint.h>. If this impacts you, just upgrade + * your tool chain. + */ #include <stdarg.h> -#include <string.h> +#include <stddef.h> +#include <stdint.h> /* * These are the APIs that a platform must implement to support nng. @@ -113,11 +119,24 @@ void nni_cond_wait(nni_cond_t); /* * nni_cond_timedwait waits for a wakeup on the condition variable, just * as with nni_condwait, but it will also wake after the given number of - * milliseconds has passed. (This is a relative timed wait.) Early + * microseconds has passed. (This is a relative timed wait.) Early * wakeups are permitted, and the caller must take care to double check any * conditions. The return value is 0 on success, or an error code, which - * can be NNG_ETIMEDOUT. + * can be NNG_ETIMEDOUT. Note that it is permissible to wait for longer + * than the timeout based on the resolution of your system clock. + */ +int nni_cond_timedwait(nni_cond_t, uint64_t); + +/* + * nn_clock returns a number of microseconds since some arbitrary time + * in the past. The values returned by nni_clock may be used with + * nni_cond_timedwait. + */ +uint64_t nni_clock(void); + +/* + * nni_usleep sleeps for the specified number of microseconds (at least). */ -int nnp_cond_timedwait(nni_cond_t, int); +void nni_usleep(uint64_t); #endif /* PLATFORM_H */ |