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44 lines
896 B
C
44 lines
896 B
C
#include "io_internal.h"
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#ifdef HAVE_EPOLL
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#include <sys/epoll.h>
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#endif
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#ifdef HAVE_KQUEUE
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#include <sys/types.h>
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#include <sys/event.h>
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#include <sys/time.h>
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#include <unistd.h>
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#include <fcntl.h>
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#endif
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int iom_init(iomux_t* c) {
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#ifdef HAVE_EPOLL
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c->ctx = epoll_create1(EPOLL_CLOEXEC);
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#elif defined(HAVE_KQUEUE)
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if ((c->ctx = kqueue()) != -1) {
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if (fcntl(c->ctx,F_SETFD,FD_CLOEXEC) == -1) {
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close(c->ctx);
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c->ctx=-1;
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}
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}
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#else
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#warning "only epoll and kqueue supported for now"
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#endif
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unsigned int i;
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c->working=0;
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c->h=c->l=0; /* no elements in queue */
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for (i=0; i<SLOTS; ++i) {
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c->q[i].fd=-1;
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c->q[i].events=0;
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}
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#ifdef __dietlibc__
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mtx_init(&c->mtx, mtx_timed);
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cnd_init(&c->sem);
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#elif defined(__APPLE__)
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pthread_mutex_init(&c->mtx, 0);
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pthread_cond_init(&c->sem, 0);
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#else
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sem_init(&c->sem, 0, 1);
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#endif
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return (c->ctx!=-1);
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}
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