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Completed sys/select.h, renamed the howmany() macro to _howmany() - now

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also contains the pselect() prototype.
Added new header file sys/time.h.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@1736 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2002-10-28 18:34:45 +00:00
parent 493130b326
commit d068515fcb
2 changed files with 68 additions and 16 deletions
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32
headers/posix/sys/select.h
View File

@ -4,7 +4,9 @@
** Distributed under the terms of the OpenBeOS License.
*/
#include <sys/time.h>
#include <signal.h>
/* If FD_SET is already defined, only the select() prototype is
@ -19,24 +21,16 @@
# define FD_SETSIZE 1024
#endif
/* Compatibily only: use FD_SETSIZE instead */
#ifndef FDSETSIZE
# define FDSETSIZE FD_SETSIZE
#endif
/* compatibility with BSD */
#define NBBY 8 /* number of bits in a byte */
typedef unsigned long fd_mask;
#ifndef howmany
# define howmany(x, y) (((x) + ((y) - 1)) / (y))
#ifndef _howmany
# define _howmany(x, y) (((x) + ((y) - 1)) / (y))
#endif
#define NFDBITS (sizeof(fd_mask) * NBBY)
#define NFDBITS (sizeof(fd_mask) * 8) /* bits per mask */
typedef struct fd_set {
fd_mask bits[howmany(FD_SETSIZE, NFDBITS)];
fd_mask bits[_howmany(FD_SETSIZE, NFDBITS)];
} fd_set;
#define _FD_BITSINDEX(fd) ((fd) / NFDBITS)
@ -49,11 +43,17 @@ typedef struct fd_set {
#endif /* FD_SET */
extern
#ifdef __cplusplus
"C"
extern "C" {
#endif
extern int pselect(int nbits, struct fd_set *rbits, struct fd_set *wbits, struct fd_set *ebits,
const struct timespec *timeout, const sigset_t *sigMask);
extern int select(int nbits, struct fd_set *rbits, struct fd_set *wbits,
struct fd_set *ebits, struct timeval *timeout);
#ifdef __cplusplus
}
#endif
int select(int nbits, struct fd_set *rbits, struct fd_set *wbits,
struct fd_set *ebits, struct timeval *timeout);
#endif /* _SYS_SELECT_H */

52
headers/posix/sys/time.h Normal file
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@ -0,0 +1,52 @@
#ifndef _SYS_TIME_H
#define _SYS_TIME_H
/*
** Distributed under the terms of the OpenBeOS License.
*/
#include <sys/types.h>
struct timeval {
time_t tv_sec;
suseconds_t tv_usec;
};
#include <sys/select.h>
/* circular dependency: fd_set needs to be defined and the
* select prototype exported by this file, but <sys/select.h>
* needs struct timeval.
*/
struct timezone {
int tz_minuteswest;
int tz_dsttime;
};
struct itimerval {
struct timeval it_interval;
struct timeval it_value;
};
#define ITIMER_REAL 1 /* real time */
#define ITIMER_VIRTUAL 2 /* process virtual time */
#define ITIMER_PROF 3 /* both */
#ifdef __cplusplus
extern "C" {
#endif
extern int getitimer(int which, struct itimerval *value);
extern int setitimer(int which, const struct itimerval *value, struct itimerval *oldValue);
extern int gettimeofday(struct timeval *tv, struct timezone *tz);
extern int utimes(const char *name, const struct timeval times[2]);
/* legacy */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_TIME_H */