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| author | Michael Brown | 2008-10-12 20:56:52 +0200 |
|---|---|---|
| committer | Michael Brown | 2008-10-12 21:22:02 +0200 |
| commit | 16f1e35775c972ba8e02bc2d97d7a2eb333eae1b (patch) | |
| tree | f653099d4b230c9807986aa2b4cd89dce2cffe9b /src/include/unistd.h | |
| parent | [process] Add DBG2() messages to help track down frozen processes (diff) | |
| download | ipxe-16f1e35775c972ba8e02bc2d97d7a2eb333eae1b.tar.gz ipxe-16f1e35775c972ba8e02bc2d97d7a2eb333eae1b.tar.xz ipxe-16f1e35775c972ba8e02bc2d97d7a2eb333eae1b.zip | |
[timer] Formalise the timer API
We now have two implementations for the timer API: one using the
time-of-day counter at 40:70 and one using RDTSC. Both make use of
timer2_udelay().
Diffstat (limited to 'src/include/unistd.h')
| -rw-r--r-- | src/include/unistd.h | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/src/include/unistd.h b/src/include/unistd.h index 7c44a0ce..dc1f67f6 100644 --- a/src/include/unistd.h +++ b/src/include/unistd.h @@ -4,7 +4,6 @@ #include <stddef.h> #include <stdarg.h> -unsigned int sleep ( unsigned int seconds ); extern int execv ( const char *command, char * const argv[] ); /** @@ -22,10 +21,21 @@ extern int execv ( const char *command, char * const argv[] ); rc; \ } ) -void udelay(unsigned int usecs); -void mdelay(unsigned int msecs); +/* Pick up udelay() */ +#include <gpxe/timer.h> -#define usleep(x) udelay(x) +/* + * sleep() prototype is defined by POSIX.1. usleep() prototype is + * defined by 4.3BSD. udelay() and mdelay() prototypes are chosen to + * be reasonably sensible. + * + */ + +extern unsigned int sleep ( unsigned int seconds ); +extern void mdelay ( unsigned long msecs ); +static inline __always_inline void usleep ( unsigned long usecs ) { + udelay ( usecs ); +} #endif /* _UNISTD_H */ |