diff options
Diffstat (limited to 'tools/power/cpupower/lib/powercap.c')
| -rw-r--r-- | tools/power/cpupower/lib/powercap.c | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/tools/power/cpupower/lib/powercap.c b/tools/power/cpupower/lib/powercap.c index 0ce29ee4c2e4..94a0c69e55ef 100644 --- a/tools/power/cpupower/lib/powercap.c +++ b/tools/power/cpupower/lib/powercap.c @@ -40,25 +40,34 @@ static int sysfs_get_enabled(char *path, int *mode) { int fd; char yes_no; + int ret = 0; *mode = 0; fd = open(path, O_RDONLY); - if (fd == -1) - return -1; + if (fd == -1) { + ret = -1; + goto out; + } if (read(fd, &yes_no, 1) != 1) { - close(fd); - return -1; + ret = -1; + goto out_close; } if (yes_no == '1') { *mode = 1; - return 0; + goto out_close; } else if (yes_no == '0') { - return 0; + goto out_close; + } else { + ret = -1; + goto out_close; } - return -1; +out_close: + close(fd); +out: + return ret; } int powercap_get_enabled(int *mode) @@ -69,6 +78,14 @@ int powercap_get_enabled(int *mode) } /* + * TODO: implement function. Returns dummy 0 for now. + */ +int powercap_set_enabled(int mode) +{ + return 0; +} + +/* * Hardcoded, because rapl is the only powercap implementation - * this needs to get more generic if more powercap implementations * should show up |