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28 lines
501 B
C
28 lines
501 B
C
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#include <poll.h>
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#include <unistd.h>
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#include "e.h"
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#include "writeall.h"
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int writeall(int fd,const void *x,long long xlen)
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{
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long long w;
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while (xlen > 0) {
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w = xlen;
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if (w > 1048576) w = 1048576;
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w = write(fd,x,w);
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if (w < 0) {
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if (errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK) {
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struct pollfd p;
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p.fd = fd;
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p.events = POLLOUT | POLLERR;
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poll(&p,1,-1);
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continue;
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}
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return -1;
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}
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x += w;
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xlen -= w;
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}
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return 0;
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}
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