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checkasm: Silence warnings about unused return value from read()

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This codepath is enabled by default on arm, if the linux perf API
is available, unless disabled with --disable-linux-perf.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2022-05-25 10:27:37 +03:00
parent a5e025e826
commit 5cdf4c0bed
1 changed files with 3 additions and 1 deletions
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4
tests/checkasm/checkasm.h
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@ -230,8 +230,10 @@ typedef struct CheckasmPerf {
ioctl(sysfd, PERF_EVENT_IOC_ENABLE, 0); \ ioctl(sysfd, PERF_EVENT_IOC_ENABLE, 0); \
} while (0) } while (0)
#define PERF_STOP(t) do { \ #define PERF_STOP(t) do { \
int ret; \
ioctl(sysfd, PERF_EVENT_IOC_DISABLE, 0); \ ioctl(sysfd, PERF_EVENT_IOC_DISABLE, 0); \
read(sysfd, &t, sizeof(t)); \ ret = read(sysfd, &t, sizeof(t)); \
(void)ret; \
} while (0) } while (0)
#elif CONFIG_MACOS_KPERF #elif CONFIG_MACOS_KPERF
#define PERF_START(t) t = ff_kperf_cycles() #define PERF_START(t) t = ff_kperf_cycles()