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#if defined(__linux__) && !defined(__ANDROID__)
#include <stdint.h>
#include <stdio.h>
#include <sys/syscall.h>
#include <unistd.h>
#include "seccomp.h"
#include "util.h"
int seccomp_event_create(void) {
#ifdef SYS_eventfd
int fd = syscall(SYS_eventfd, 0, 0);
#else
#ifdef SYS_eventfd2
int fd = syscall(SYS_eventfd2, 0, 0);
#endif
#endif
if (fd < 0) { FFATAL("seccomp_event_create"); }
return fd;
}
void seccomp_event_signal(int fd) {
uint64_t val = 1;
if (write(fd, &val, sizeof(uint64_t)) != sizeof(uint64_t)) {
FFATAL("seccomp_event_signal");
}
}
void seccomp_event_wait(int fd) {
uint64_t val = 1;
if (read(fd, &val, sizeof(uint64_t)) != sizeof(uint64_t)) {
FFATAL("seccomp_event_wait");
}
}
void seccomp_event_destroy(int fd) {
if (close(fd) < 0) { FFATAL("seccomp_event_destroy"); }
}
#endif
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