X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=lib%2Ftimespec.h;fp=lib%2Ftimespec.h;h=601394b888c421bfae4be3f8107d8ee64e6077f3;hb=20fcfc81ece044b8b0a6768ec6cf47be4e22a2e6;hp=d665e6ccf9ae99539ca2ccf1a41144b91ed4d4a7;hpb=d57728a6ca2413a7c564d8b7bb13d9e5a5a180f3;p=debian%2Fgzip diff --git a/lib/timespec.h b/lib/timespec.h index d665e6c..601394b 100644 --- a/lib/timespec.h +++ b/lib/timespec.h @@ -1,6 +1,6 @@ /* timespec -- System time interface - Copyright (C) 2000, 2002, 2004-2005, 2007, 2009-2013 Free Software + Copyright (C) 2000, 2002, 2004-2005, 2007, 2009-2016 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify @@ -21,11 +21,31 @@ # include +#ifndef _GL_INLINE_HEADER_BEGIN + #error "Please include config.h first." +#endif _GL_INLINE_HEADER_BEGIN #ifndef _GL_TIMESPEC_INLINE # define _GL_TIMESPEC_INLINE _GL_INLINE #endif +/* Resolution of timespec time stamps (in units per second), and log + base 10 of the resolution. */ + +enum { TIMESPEC_RESOLUTION = 1000000000 }; +enum { LOG10_TIMESPEC_RESOLUTION = 9 }; + +/* Return a timespec with seconds S and nanoseconds NS. */ + +_GL_TIMESPEC_INLINE struct timespec +make_timespec (time_t s, long int ns) +{ + struct timespec r; + r.tv_sec = s; + r.tv_nsec = ns; + return r; +} + /* Return negative, zero, positive if A < B, A == B, A > B, respectively. For each time stamp T, this code assumes that either: @@ -54,7 +74,7 @@ _GL_INLINE_HEADER_BEGIN The (int) cast avoids a gcc -Wconversion warning. */ -_GL_TIMESPEC_INLINE int +_GL_TIMESPEC_INLINE int _GL_ATTRIBUTE_PURE timespec_cmp (struct timespec a, struct timespec b) { return (a.tv_sec < b.tv_sec ? -1 @@ -64,7 +84,7 @@ timespec_cmp (struct timespec a, struct timespec b) /* Return -1, 0, 1, depending on the sign of A. A.tv_nsec must be nonnegative. */ -_GL_TIMESPEC_INLINE int +_GL_TIMESPEC_INLINE int _GL_ATTRIBUTE_PURE timespec_sign (struct timespec a) { return a.tv_sec < 0 ? -1 : a.tv_sec || a.tv_nsec;