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40 lines
997 B
C
40 lines
997 B
C
21 years ago
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#include <unistd.h>
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#include "buffer.h"
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#include "io.h"
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main() {
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int64 pfd[2];
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char buf[20480];
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int i;
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if (!io_pipe(pfd)) return 111;
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io_nonblock(pfd[1]);
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if (!io_fd(pfd[1])) return 111;
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switch (fork()) {
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case -1: return 111;
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case 0: /* child */
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io_close(pfd[1]);
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sleep(1);
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for (;;) {
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switch (io_waitread(pfd[0],buf,sizeof buf)) {
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case -1: buffer_putsflush(buffer_2,"io_waitread returned -1!\n"); return 111;
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case -3: buffer_puts(buffer_2,"io_waitread: ");
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buffer_puterror(buffer_2);
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buffer_putnlflush(buffer_2);
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return 111;
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case 0: io_close(pfd[0]);
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return 0;
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}
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}
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}
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io_close(pfd[0]);
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for (i=0; i<sizeof(buf); ++i) buf[i]="abcdefghihjklmnopqrstuvwxyz"[i%26];
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for (i=0; i<1000; ++i) {
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int64 r;
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if ((r=io_waitwrite(pfd[1],buf,sizeof buf))!=sizeof buf) {
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buffer_puts(buffer_2,"io_waitwrite returned ");
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buffer_putlonglong(buffer_2,r);
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buffer_putnlflush(buffer_2);
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}
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}
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}
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