4f294c247f
This patch mainly copies and modifies files existing in the current libc implementing minix specific functions. To keep consisten with the NetBSD libc, we remove namespace stubs and we use "namespace.h" and weak links.
39 lines
762 B
C
39 lines
762 B
C
/* Library routines
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*
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* Porting to Minix 2.0.0
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* Author: Giovanni Falzoni <gfalzoni@pointest.com>
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*/
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#include <sys/cdefs.h>
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#include "namespace.h"
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#include <lib.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include <string.h>
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#include <errno.h>
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#include <unistd.h>
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#ifdef __weak_alias
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__weak_alias(flock, _flock)
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#endif
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/*
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* Name: int flock(int fd, int mode);
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* Function: Implements the flock function in Minix.
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*/
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int flock(int fd, int mode)
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{
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struct flock lck;
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register int retcode;
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memset((void *) &lck, 0, sizeof(struct flock));
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lck.l_type = mode & ~LOCK_NB;
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lck.l_pid = getpid();
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if ((retcode = fcntl(fd, mode & LOCK_NB ? F_SETLK : F_SETLKW, &lck)) < 0 && errno == EAGAIN)
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errno = EWOULDBLOCK;
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return retcode;
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}
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/** flock.c **/
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