mirror of
https://github.com/Zenithsiz/ftmemsim-valgrind.git
synced 2026-02-08 21:09:49 +00:00
44 lines
1017 B
C
44 lines
1017 B
C
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/* A program which sets a readable fd to have a timeout, and therefore
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needs --weird-hacks=ioctl-VTIME in order to run without
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blocking. */
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#include <stdio.h>
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#include <sys/ioctl.h>
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#include <termio.h>
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int main ( void )
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{
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int c;
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int res;
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struct termio tty, oldtty;
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/**
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** Save the old tty settings, and get rid of echo
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** for the new tty settings
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**/
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ioctl(0, TCGETA, &oldtty);
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tty = oldtty;
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tty.c_lflag &= ~(ICANON|ECHO|ECHOE|ECHOK|ECHONL);
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tty.c_cc[VMIN] = 0;
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tty.c_cc[VTIME] = 5;
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res = ioctl(0, TCSETA, &tty);
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printf("first ioctl returned %d\n", res);
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/**
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** Now do whatever stuff you want non-echoed
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**/
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while (1) {
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c = getchar();
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printf("got %d\n", c);
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}
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/**
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** Now reset the old settings
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**/
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res = ioctl(0, TCSETA, &oldtty);
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printf("second ioctl returned %d\n", res);
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return 0;
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}
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