50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/epoll.h>
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#include "config.h"
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#include "log.h"
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#include "pidfile.h"
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#include "sys.h"
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char pidfile[MAX_PATH_LENGTH] = PID_FILE_DEFAULT;
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void background(void)
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{
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static char called;
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if (!called && daemon(0, 0) == -1) {
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perror("fork");
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exit(EXIT_SUCCESS);
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}
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called = 1; /* Do not fork again. */
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if (file_exists(pidfile, "w") == -1) {
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log_line("FATAL - cannot open pidfile for write!");
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exit(EXIT_FAILURE);
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}
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write_pid(pidfile);
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}
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void epoll_add(struct client_state_t *cs, int fd)
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{
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struct epoll_event ev;
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int r;
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ev.events = EPOLLIN | EPOLLRDHUP | EPOLLERR | EPOLLHUP;
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ev.data.fd = fd;
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r = epoll_ctl(cs->epollFd, EPOLL_CTL_ADD, fd, &ev);
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if (r == -1)
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suicide("epoll_add failed %s", strerror(errno));
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}
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void epoll_del(struct client_state_t *cs, int fd)
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{
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struct epoll_event ev;
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int r;
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ev.events = EPOLLIN | EPOLLRDHUP | EPOLLERR | EPOLLHUP;
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ev.data.fd = fd;
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r = epoll_ctl(cs->epollFd, EPOLL_CTL_DEL, fd, &ev);
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if (r == -1)
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suicide("epoll_del failed %s", strerror(errno));
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}
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