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/*
* misc.c
* (c) 2019, Jonas Gunz, jonasgunz.de
* <Description>
* <License>
*/
#include "misc.h"
pid_t fork_run(int _stdin, int _stdout, int _stderr, int argc, char* argv[])
{
pid_t pid = fork();
if(pid == 0) {//child
dup2 (_stdin, STDIN_FILENO);
dup2 (_stdout, STDOUT_FILENO);
dup2 (_stderr, STDERR_FILENO);
char* arv[argc + 1];
for(int i = 0; i < argc; i++)
arv[i] = argv[i];
arv[argc] = NULL;
execv(argv[0], arv);
printf("EXEC ERROR %i: %s\r\n", errno, strerror(errno));
exit(1);
}
else {
return pid;
}
}
int try_write(int _fd, char *_buff, int _size, int _retry)
{
if( _size <= 0)
return 0;
int written = 0;
int cntr = 0;
while (written != _size) {
int ret = write ( _fd, _buff + written, _size - written);
if(ret < 0)
return 1;
else {
written += ret;
cntr = 0; //reset fail counter
}
if(++cntr > _retry)
return 1;
}
return 0;
}
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