From 8c1ab65c0f548d20b7f177bdb736daaf603340e1 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 15:54:38 +0200 Subject: Adding upstream version 0.0~git20221206.8b7148f. Signed-off-by: Daniel Baumann --- libc-bottom-half/clocks/getrusage.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 libc-bottom-half/clocks/getrusage.c (limited to 'libc-bottom-half/clocks/getrusage.c') diff --git a/libc-bottom-half/clocks/getrusage.c b/libc-bottom-half/clocks/getrusage.c new file mode 100644 index 0000000..d0113c5 --- /dev/null +++ b/libc-bottom-half/clocks/getrusage.c @@ -0,0 +1,28 @@ +#define _WASI_EMULATED_PROCESS_CLOCKS +#include +#include +#include +#include +#include + +// `clock` is a weak symbol so that application code can override it. +// We want to use the function in libc, so use the libc-internal name. +clock_t __clock(void); + +int getrusage(int who, struct rusage *r_usage) { + switch (who) { + case RUSAGE_SELF: { + __wasi_timestamp_t usertime = __clock(); + *r_usage = (struct rusage) { + .ru_utime = timestamp_to_timeval(usertime) + }; + return 0; + } + case RUSAGE_CHILDREN: + *r_usage = (struct rusage) {}; + return 0; + default: + errno = EINVAL; + return -1; + } +} -- cgit v1.2.3