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author | Taru Karttunen <taruti@taruti.net> | 2011-03-30 15:46:40 +0300 |
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committer | Taru Karttunen <taruti@taruti.net> | 2011-03-30 15:46:40 +0300 |
commit | e5888a1ffdae813d7575f5fb02275c6bb07e5199 (patch) | |
tree | d8d51eac403f07814b9e936eed0c9a79195e2450 /sys/src/ape/lib/ap/plan9/times.c |
Import sources from 2011-03-30 iso image
Diffstat (limited to 'sys/src/ape/lib/ap/plan9/times.c')
-rwxr-xr-x | sys/src/ape/lib/ap/plan9/times.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/sys/src/ape/lib/ap/plan9/times.c b/sys/src/ape/lib/ap/plan9/times.c new file mode 100755 index 000000000..2d1e95c8c --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/times.c @@ -0,0 +1,51 @@ +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <sys/times.h> +#include <unistd.h> +#include <errno.h> +#include <string.h> +#include <stdlib.h> + +static +char* +skip(char *p) +{ + + while(*p == ' ') + p++; + while(*p != ' ' && *p != 0) + p++; + return p; +} + +clock_t +times(struct tms *buf) +{ + char b[200], *p; + int f; + unsigned long r; + + memset(b, 0, sizeof(b)); + f = open("/dev/cputime", O_RDONLY); + if(f >= 0) { + lseek(f, SEEK_SET, 0); + read(f, b, sizeof(b)); + close(f); + } + p = b; + if(buf) + buf->tms_utime = atol(p); + p = skip(p); + if(buf) + buf->tms_stime = atol(p); + p = skip(p); + r = atol(p); + if(buf){ + p = skip(p); + buf->tms_cutime = atol(p); + p = skip(p); + buf->tms_cstime = atol(p); + } + return r; +} |