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#include <getopt.h> /* getopt() */
#include <stdio.h> /* printf() */
#include <stdlib.h> /* atoi(), atol() */
#include <string.h> /* strtok(), memset(), strncpy() */
#include <unistd.h> /* execve() */
#include <fiu-control.h>
#include <fiu.h>
static void __attribute__((constructor)) fiu_run_init(void)
{
char *fiu_fifo_env, *fiu_enable_env;
fiu_init(0);
fiu_fifo_env = getenv("FIU_CTRL_FIFO");
if (fiu_fifo_env && *fiu_fifo_env != '\0') {
if (fiu_rc_fifo(fiu_fifo_env) < 0) {
perror("fiu_run_preload: Error opening RC fifo");
}
}
fiu_enable_env = getenv("FIU_ENABLE");
if (fiu_enable_env && *fiu_enable_env != '\0') {
/* FIU_ENABLE can contain more than one command, separated by
* a newline, so we split them and call fiu_rc_string()
* accordingly. */
char *tok, *state;
char *env_copy;
char *rc_error = "no error returned";
env_copy = strdup(fiu_enable_env);
if (env_copy == NULL) {
perror("fiu_run_preload: Error in strdup()");
return;
}
tok = strtok_r(env_copy, "\n", &state);
while (tok) {
if (fiu_rc_string(tok, &rc_error) != 0) {
fprintf(stderr,
"fiu_run_preload: Error applying "
"FIU_ENABLE commands: %s\n",
rc_error);
return;
}
tok = strtok_r(NULL, "\n", &state);
}
}
}
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