eventfd.c\linux\src - musl - musl - an implementation of the standard library for Linux-based systems

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path: root/src/linux/eventfd.c
blob: 530664874f6988caced5c29d61052f34420d5df9 (plain) (blame)
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#include <sys/eventfd.h>
#include <unistd.h>
#include "syscall.h"
int eventfd(unsigned int count, int flags)
{
	return syscall(flags ? SYS_eventfd2 : SYS_eventfd, count, flags);
}
int eventfd_read(int fd, eventfd_t *value)
{
	return (sizeof(*value) == read(fd, value, sizeof(*value))) ? 0 : -1;
}
int eventfd_write(int fd, eventfd_t value)
{
	return (sizeof(value) == write(fd, &value, sizeof(value))) ? 0 : -1;
}
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