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e5ac7bd679
ISO C2X adds a timespec_getres function alongside the C11 timespec_get, with functionality similar to that of POSIX clock_getres (including allowing a NULL pointer to be passed to the function). Implement this function for glibc, similarly to the implementation of timespec_get. This includes a basic test like that of timespec_get, but no documentation in the manual, given that TIME_UTC and timespec_get aren't documented in the manual at all. The handling of 64-bit time follows that in timespec_get; people maintaining patch series for 64-bit time will need to update them accordingly (to export __timespec_getres64, redirect calls in time.h and run the test for _TIME_BITS=64). Tested for x86_64 and x86, and (previous version; only testcase differs) with build-many-glibcs.py.
86 lines
1.4 KiB
Plaintext
86 lines
1.4 KiB
Plaintext
libc {
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GLIBC_2.0 {
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# global variables
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__daylight; __timezone; __tzname;
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# functions with special/multiple interfaces
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__adjtimex;
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# functions used in other libraries
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__gmtime_r; __gettimeofday;
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# variables in normal name space
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daylight; timezone; tzname;
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# a*
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adjtime; adjtimex; asctime; asctime_r;
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# c*
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clock; ctime; ctime_r;
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# d*
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difftime; dysize;
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# f*
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ftime;
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# g*
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getitimer; gettimeofday; gmtime; gmtime_r;
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# l*
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localtime; localtime_r;
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# m*
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mktime;
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# s*
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setitimer; settimeofday; stime; strftime; strptime;
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# t*
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time; timegm; timelocal; tzset;
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}
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GLIBC_2.1 {
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# variables in normal name space
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getdate_err;
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# g*
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getdate; getdate_r;
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}
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GLIBC_2.2 {
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# w*
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wcsftime;
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# c*; actually in librt in version 2.2, moved to libc in 2.17
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clock_getres; clock_gettime; clock_settime; clock_getcpuclockid;
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clock_nanosleep;
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}
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GLIBC_2.3 {
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# these internal names are used by libstdc++
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__strftime_l; __wcsftime_l;
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# s*
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strftime_l;
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# w*
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wcsftime_l;
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}
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GLIBC_2.3.2 {
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strptime_l;
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}
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GLIBC_2.16 {
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timespec_get;
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}
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GLIBC_2.17 {
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# c*
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clock_getres; clock_gettime; clock_settime; clock_getcpuclockid;
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clock_nanosleep;
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}
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GLIBC_2.34 {
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timespec_getres;
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}
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GLIBC_PRIVATE {
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# same as clock_gettime; used in other libraries
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__clock_gettime;
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__clock_gettime64;
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}
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}
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