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| author | Rickard Green <[email protected]> | 2016-08-31 14:29:25 +0200 |
|---|---|---|
| committer | Rickard Green <[email protected]> | 2016-08-31 14:29:25 +0200 |
| commit | 451eb69edbe6c1b2ed53bcac18babda57e5f964c (patch) | |
| tree | 6ab0a528a27a8c0437a01070ee64df9e8833af2d /erts/include | |
| parent | c1e1c7b4caeda9637691c062d5c1337afe7aeeab (diff) | |
| parent | b71dde8bd94985f5953a1647802ac312a798fe69 (diff) | |
| download | otp-451eb69edbe6c1b2ed53bcac18babda57e5f964c.tar.gz otp-451eb69edbe6c1b2ed53bcac18babda57e5f964c.tar.bz2 otp-451eb69edbe6c1b2ed53bcac18babda57e5f964c.zip | |
Merge branch 'rickard/premature-timeout/OTP-13698' into maint
* rickard/premature-timeout/OTP-13698:
Improve accuracy of timeouts using premature timeouts
Diffstat (limited to 'erts/include')
| -rw-r--r-- | erts/include/internal/erl_misc_utils.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/erts/include/internal/erl_misc_utils.h b/erts/include/internal/erl_misc_utils.h index a4a5d1d510..55566ddf74 100644 --- a/erts/include/internal/erl_misc_utils.h +++ b/erts/include/internal/erl_misc_utils.h @@ -56,4 +56,33 @@ int erts_map_win_error_to_errno(DWORD win_error); int erts_get_last_win_errno(void); #endif +#if defined(__APPLE__) && defined(__MACH__) && !defined(__DARWIN__) +#define __DARWIN__ 1 +#endif + +/* + * ERTS_PREMATURE_TIMEOUT() expects time units + * 1000 (millisec), 1000000 (microsec), or + * 1000000000 (nanosec). Might not work properly + * otherwise. + */ +#undef ERTS_USE_PREMATURE_TIMEOUT +#undef ERTS_PREMATURE_TIMEOUT + +#if defined(__DARWIN__) +#define ERTS_USE_PREMATURE_TIMEOUT 1 +#define ERTS_PREMATURE_TIMEOUT(TMO, TU) \ + ((TMO) >= 1 * ((TU) / 1000) \ + ? ((TMO) >= 20 * ((TU) / 1000) \ + ? 15 * ((TU) / 1000) \ + : ((TMO) >= 5 * ((TU) / 1000) \ + ? 3 * ((TU) / 1000) \ + : 5 * ((TU) / 10000))) \ + : 0) + +#else +#define ERTS_USE_PREMATURE_TIMEOUT 0 +#define ERTS_PREMATURE_TIMEOUT(TMO, TU) (0) +#endif + #endif /* #ifndef ERL_MISC_UTILS_H_ */ |