<h3>musl vs posix api</h3>
-<h4>commit</h4><p>commit <a href="http://git.etalabs.net/cgi-bin/gitweb.cgi?p=musl;a=commit;h=c0fe5b9da9f98b83262717c0090817f1fbb3d8a0">c0fe5b9da9f98b83262717c0090817f1fbb3d8a0</a><br>Date: Fri Jul 22 00:25:56 2011 -0400<br><br> check for fd exhaustion in forkpty<br> <br> we cannot report failure after forking, so the idea is to ensure prior<br> to fork that fd 0,1,2 exist. this will prevent dup2 from possibly<br> hitting a resource limit and failing in the child process. fcntl<br> rather than dup2 is used prior to forking to avoid race conditions.
-<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>(any option mark found in the synopsis of a manual is listed in the option column, this is often wrong)<p>(STREAMS and posix_trace* api is excluded)
+<h4>commit</h4><p>commit <a href="http://git.etalabs.net/cgi-bin/gitweb.cgi?p=musl;a=commit;h=e01ac67599dea1fd78a1bd1a0339a1da07dc9578">e01ac67599dea1fd78a1bd1a0339a1da07dc9578</a><br>Date: Mon Jul 25 09:22:05 2011 -0400<br><br> when resolving symbols with only weak defs, use first def, not last def
+<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.etalabs.net/cgi-bin/gitweb.cgi?p=musl;a=blob;f=include/sys/select.h#l27">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> <td><a href="http://git.etalabs.net/cgi-bin/gitweb.cgi?p=musl;a=blob;f=include/sys/select.h#l28">d</a> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/FD_ISSET.html">FD_ISSET</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.etalabs.net/cgi-bin/gitweb.cgi?p=musl;a=blob;f=include/time.h#l45">p</a> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/clock.html">clock</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/time.h.html">time.h</a><td> <td>clock - report CPU time used
<tr><td> <td>T<td><a href="http://git.etalabs.net/cgi-bin/gitweb.cgi?p=musl;a=blob;f=include/time.h#l86">p</a> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/clock_getcpuclockid.html">clock_getcpuclockid</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#CPT">CPT</a><td>clock_getcpuclockid - access a process CPU-time clock (<b>ADVANCED REALTIME</b>)
<tr><td> <td>T<td><a href="http://git.etalabs.net/cgi-bin/gitweb.cgi?p=musl;a=blob;f=include/time.h#l82">p</a> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/clock_getres.html">clock_getres</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>clock_getres, clock_gettime, clock_settime - clock and timer functions
-<tr><td> <td>
T<td><a href="http://git.etalabs.net/cgi-bin/gitweb.cgi?p=musl;a=blob;f=include/time.h#l83">p</a> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/clock_gettime.html">clock_gettime</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>clock_getres, clock_gettime, clock_settime - clock and timer functions
+<tr><td> <td>
W<td><a href="http://git.etalabs.net/cgi-bin/gitweb.cgi?p=musl;a=blob;f=include/time.h#l83">p</a> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/clock_gettime.html">clock_gettime</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>clock_getres, clock_gettime, clock_settime - clock and timer functions
<tr><td> <td>T<td><a href="http://git.etalabs.net/cgi-bin/gitweb.cgi?p=musl;a=blob;f=include/time.h#l85">p</a> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/clock_nanosleep.html">clock_nanosleep</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>clock_nanosleep - high resolution sleep with specifiable clock
<tr><td> <td>T<td><a href="http://git.etalabs.net/cgi-bin/gitweb.cgi?p=musl;a=blob;f=include/time.h#l84">p</a> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/clock_settime.html">clock_settime</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>clock_getres, clock_gettime, clock_settime - clock and timer functions
<tr><td>missing<td> <td> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/clog.html">clog</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/complex.h.html">complex.h</a><td> <td>clog, clogf, clogl - complex natural logarithm functions
<tr><td>nosym<td> <td><a href="http://git.etalabs.net/cgi-bin/gitweb.cgi?p=musl;a=blob;f=include/math.h#l175">p</a> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/ldexpl.html">ldexpl</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/math.h.html">math.h</a><td> <td>ldexp, ldexpf, ldexpl - load exponent of a floating-point number
<tr><td> <td>T<td><a href="http://git.etalabs.net/cgi-bin/gitweb.cgi?p=musl;a=blob;f=include/stdlib.h#l63">p</a> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/ldiv.html">ldiv</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/stdlib.h.html">stdlib.h</a><td> <td>ldiv, lldiv - compute quotient and remainder of a long division
<tr><td> <td>T<td><a href="http://git.etalabs.net/cgi-bin/gitweb.cgi?p=musl;a=blob;f=include/search.h#l28">p</a> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/lfind.html">lfind</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/search.h.html">search.h</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/help/codes.html#XSI">XSI</a><td>lsearch, lfind - linear search and update
-<tr><td>nosym<td> <td><a href="http://git.etalabs.net/cgi-bin/gitweb.cgi?p=musl;a=blob;f=include/math.h#l177">p</a> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/lgamma.html">lgamma</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/math.h.html">math.h</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/help/codes.html#XSI">XSI</a><td>lgamma, lgammaf, lgammal, signgam - log gamma function
-<tr><td>nosym<td> <td><a href="http://git.etalabs.net/cgi-bin/gitweb.cgi?p=musl;a=blob;f=include/math.h#l178">p</a> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/lgammaf.html">lgammaf</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/math.h.html">math.h</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/help/codes.html#XSI">XSI</a><td>lgamma, lgammaf, lgammal, signgam - log gamma function
-<tr><td>nosym<td> <td><a href="http://git.etalabs.net/cgi-bin/gitweb.cgi?p=musl;a=blob;f=include/math.h#l179">p</a> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/lgammal.html">lgammal</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/math.h.html">math.h</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/help/codes.html#XSI">XSI</a><td>lgamma, lgammaf, lgammal, signgam - log gamma function
+<tr><td>nosym<td> <td><a href="http://git.etalabs.net/cgi-bin/gitweb.cgi?p=musl;a=blob;f=include/math.h#l177">p</a> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/lgamma.html">lgamma</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/math.h.html">math.h</a><td> <td>lgamma, lgammaf, lgammal, signgam - log gamma function
+<tr><td>nosym<td> <td><a href="http://git.etalabs.net/cgi-bin/gitweb.cgi?p=musl;a=blob;f=include/math.h#l178">p</a> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/lgammaf.html">lgammaf</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/math.h.html">math.h</a><td> <td>lgamma, lgammaf, lgammal, signgam - log gamma function
+<tr><td>nosym<td> <td><a href="http://git.etalabs.net/cgi-bin/gitweb.cgi?p=musl;a=blob;f=include/math.h#l179">p</a> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/lgammal.html">lgammal</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/math.h.html">math.h</a><td> <td>lgamma, lgammaf, lgammal, signgam - log gamma function
<tr><td> <td>T<td><a href="http://git.etalabs.net/cgi-bin/gitweb.cgi?p=musl;a=blob;f=include/unistd.h#l54">p</a> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/link.html">link</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/unistd.h.html">unistd.h</a><td> <td>link, linkat - link one file to another file relative to two directory file descriptors
<tr><td> <td>T<td><a href="http://git.etalabs.net/cgi-bin/gitweb.cgi?p=musl;a=blob;f=include/unistd.h#l55">p</a> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/linkat.html">linkat</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/unistd.h.html">unistd.h</a><td> <td>link, linkat - link one file to another file relative to two directory file descriptors
<tr><td>missing<td> <td> <td><a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/lio_listio.html">lio_listio</a><td> <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/aio.h.html">aio.h</a><td> <td>lio_listio - list directed I/O
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