<h3>musl vs posix api</h3>
-<h4>commit</h4><p>commit <a href="http://git.musl-libc.org/cgit/musl/commit/?id=5edbc6fe13e1e0f27e3d3a20f2582da476f74c4b">5edbc6fe13e1e0f27e3d3a20f2582da476f74c4b</a><br>Date: 2014-09-10 12:47:55 -0400<br><br> add _DEFAULT_SOURCE feature profile as an alias for _BSD_SOURCE<br> <br> as a result of commit ab8f6a6e42ff893041f7545a23e6d6a0edde07fb, this<br> definition is now equivalent to the actual "default profile" which<br> appears immediately below in features.h, and which defines both<br> _BSD_SOURCE and _XOPEN_SOURCE.<br> <br> the intent of providing a _DEFAULT_SOURCE, which glibc also now<br> provides, is to give applications a way to "get back" the default<br> feature profile when it was lost either by compiler flags that inhibit<br> it (such as -std=c99) or by library-provided predefined macros (such<br> as -D_POSIX_C_SOURCE=200809L) which may inhibit exposure of features<br> that were otherwise visible by default and which the application may<br> need. without _DEFAULT_SOURCE, the application had encode knowledge of<br> a particular libc's defaults, and such knowledge was fragile and<br> subject to bitrot.<br> <br> eventually the names _GNU_SOURCE and _BSD_SOURCE should be phased out<br> in favor of the more-descriptive and more-accurate _ALL_SOURCE and<br> _DEFAULT_SOURCE, leaving the old names as aliases but using the new<br> ones internally. however this is a more invasive change that would<br> require extensive regression testing, so it is deferred.
+<h4>commit</h4><p>commit <a href="http://git.musl-libc.org/cgit/musl/commit/?id=00548408398ced546c540dab773ea66cea4fe1c2">00548408398ced546c540dab773ea66cea4fe1c2</a><br>Date: 2014-10-13 18:26:28 -0400<br><br> eliminate global waiters count in pthread_once
<h4>legend</h4><ul><li>status: musl implementation status summary<ul><li>(empty) - implemented<li>nosym - prototype found in include files (see decl) but not in libc.a (see sym)<li>nodecl - symbol is in libc.a but not declared in a public header<li>missing - neither in include files (see decl) nor in libc.a (see sym)</ul><li>sym: external symbol kind as found by `nm libc.a` (symbol kind only reported once)<ul><li>C - symbol is common (uninitialized data)<li>D - symbol is in the initialized data section<li>R - symbol is in the read only data section<li>T - symbol is in the text section<li>V - weak object<li>W - weak symbol</ul><li>decl: kind of declaration as found by `ctags -R include` (every occurance is reported)<ul><li>d - macro definition<li>p - function prototype<li>x - external and forward variable declaration</ul></ul><p>(STREAMS and posix_trace* apis are excluded)
<h4>table</h4><table border=1><tr><th colspan=3>musl<th colspan=4>posix<tr><th>status<th>sym<th>decl<th>name<th>header<th>option<th>desc
<tr><td> <td> <td><a href="http://git.musl-libc.org/cgit/musl/tree/include/sys/select.h#n29">d</a> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/FD_CLR.html">FD_CLR</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/sys_select.h.html">sys/select.h</a><td> <td>pselect, select - synchronous I/O multiplexing
<tr><td> <td>T<td><a href="http://git.musl-libc.org/cgit/musl/tree/include/locale.h#n54">p</a> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/localeconv.html">localeconv</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/locale.h.html">locale.h</a><td> <td>localeconv - return locale-specific information
<tr><td> <td>T<td><a href="http://git.musl-libc.org/cgit/musl/tree/include/time.h#n59">p</a> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/localtime.html">localtime</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/time.h.html">time.h</a><td> <td>localtime, localtime_r - convert a time value to a broken-down local time
<tr><td> <td>W<td><a href="http://git.musl-libc.org/cgit/musl/tree/include/time.h#n75">p</a> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/localtime_r.html">localtime_r</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/time.h.html">time.h</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/help/codes.html#CX">CX</a><td>localtime, localtime_r - convert a time value to a broken-down local time
-<tr><td> <td>T<td><a href="http://git.musl-libc.org/cgit/musl/tree/include/fcntl.h#n1
33">p</a> <a href="http://git.musl-libc.org/cgit/musl/tree/include/unistd.h#n139">p</a> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/lockf.html">lockf</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/unistd.h.html">unistd.h</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/help/codes.html#XSI">XSI</a><td>lockf - record locking on files
+<tr><td> <td>T<td><a href="http://git.musl-libc.org/cgit/musl/tree/include/fcntl.h#n1
40">p</a> <a href="http://git.musl-libc.org/cgit/musl/tree/include/unistd.h#n139">p</a> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/lockf.html">lockf</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/unistd.h.html">unistd.h</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/help/codes.html#XSI">XSI</a><td>lockf - record locking on files
<tr><td> <td>T<td><a href="http://git.musl-libc.org/cgit/musl/tree/include/math.h#n247">p</a> <a href="http://git.musl-libc.org/cgit/musl/tree/include/tgmath.h#n182">d</a> <a href="http://git.musl-libc.org/cgit/musl/tree/include/tgmath.h#n245">d</a> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/log.html">log</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/math.h.html">math.h</a><td> <td>log, logf, logl - natural logarithm function
<tr><td> <td>T<td><a href="http://git.musl-libc.org/cgit/musl/tree/include/math.h#n251">p</a> <a href="http://git.musl-libc.org/cgit/musl/tree/include/tgmath.h#n183">d</a> <a href="http://git.musl-libc.org/cgit/musl/tree/include/tgmath.h#n246">d</a> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/log10.html">log10</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/math.h.html">math.h</a><td> <td>log10, log10f, log10l - base 10 logarithm function
<tr><td> <td>T<td><a href="http://git.musl-libc.org/cgit/musl/tree/include/math.h#n252">p</a> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/log10f.html">log10f</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/math.h.html">math.h</a><td> <td>log10, log10f, log10l - base 10 logarithm function
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