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-rw-r--r--sysdeps/generic/confname.h36
-rw-r--r--sysdeps/generic/pselect.c55
-rw-r--r--sysdeps/generic/sbrk.c8
-rw-r--r--sysdeps/generic/sys/socket.h4
-rw-r--r--sysdeps/posix/fpathconf.c8
-rw-r--r--sysdeps/posix/isfdtype.c37
-rw-r--r--sysdeps/posix/sysconf.c98
-rw-r--r--sysdeps/stub/fpathconf.c3
-rw-r--r--sysdeps/stub/isfdtype.c29
-rw-r--r--sysdeps/stub/sysconf.c14
-rw-r--r--sysdeps/unix/sysv/linux/posix_opt.h6
11 files changed, 293 insertions, 5 deletions
diff --git a/sysdeps/generic/confname.h b/sysdeps/generic/confname.h
index 717229a3ab..3bc6b27652 100644
--- a/sysdeps/generic/confname.h
+++ b/sysdeps/generic/confname.h
@@ -41,8 +41,10 @@ enum
#define _PC_SYNC_IO _PC_SYNC_IO
_PC_ASYNC_IO,
#define _PC_ASYNC_IO _PC_ASYNC_IO
- _PC_PRIO_IO
+ _PC_PRIO_IO,
#define _PC_PRIO_IO _PC_PRIO_IO
+ _PC_SOCK_MAXBUF
+#define _PC_SOCK_MAXBUF _PC_SOCK_MAXBUF
};
/* Values for the argument to `sysconf'. */
@@ -156,7 +158,37 @@ enum
#define _SC_2_FORT_RUN _SC_2_FORT_RUN
_SC_2_SW_DEV,
#define _SC_2_SW_DEV _SC_2_SW_DEV
- _SC_2_LOCALEDEF
+ _SC_2_LOCALEDEF,
+#define _SC_2_LOCALEDEF _SC_2_LOCALEDEF
+
+ _SC_PII,
+#define _SC_PII _SC_PII
+ _SC_PII_XTI,
+#define _SC_PII_XTI _SC_PII_XTI
+ _SC_PII_SOCKET,
+#define _SC_PII_SOCKET _SC_PII_SOCKET
+ _SC_PII_INTERNET,
+#define _SC_PII_INTERNET _SC_PII_INTERNET
+ _SC_PII_OSI,
+#define _SC_PII_OSI _SC_PII_OSI
+ _SC_POLL,
+#define _SC_POLL _SC_POLL
+ _SC_SELECT,
+#define _SC_SELECT _SC_SELECT
+ _SC_UIO_MAXIOV,
+#define _SC_UIO_MAXIOV _SC_UIO_MAXIOV
+ _SC_PII_INTERNET_STREAM,
+#define _SC_PII_INTERNET_STREAM _SC_PII_INTERNET_STREAM
+ _SC_PII_INTERNET_DGRAM,
+#define _SC_PII_INTERNET_DGRAM _SC_PII_INTERNET_DGRAM
+ _SC_PII_OSI_COTS,
+#define _SC_PII_OSI_COTS _SC_PII_OSI_COTS
+ _SC_PII_OSI_CLTS,
+#define _SC_PII_OSI_CLTS _SC_PII_OSI_CLTS
+ _SC_PII_OSI_M,
+#define _SC_PII_OSI_M _SC_PII_OSI_M
+ _SC_T_IOV_MAX
+#define _SC_T_IOV_MAX _SC_T_IOV_MAX
};
#ifdef __USE_POSIX2
diff --git a/sysdeps/generic/pselect.c b/sysdeps/generic/pselect.c
new file mode 100644
index 0000000000..165fd32148
--- /dev/null
+++ b/sysdeps/generic/pselect.c
@@ -0,0 +1,55 @@
+/* Copyright (C) 1996 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <sys/select.h>
+
+/* Check the first NFDS descriptors each in READFDS (if not NULL) for read
+ readiness, in WRITEFDS (if not NULL) for write readiness, and in EXCEPTFDS
+ (if not NULL) for exceptional conditions. If TIMEOUT is not NULL, time out
+ after waiting the interval specified therein. Returns the number of ready
+ descriptors, or -1 for errors. */
+int
+__pselect (nfds, readfds, writefds, exceptfds, timeout)
+ int nfds;
+ fd_set *readfds;
+ fd_set *writefds;
+ fd_set *exceptfds;
+ struct timespec *timeout;
+{
+ struct timeval tval;
+ int retval;
+
+ /* Change nanosecond number to microseconds. This may loose
+ precision and therefore the `pselect` should be available. But
+ for now it is hardly found. */
+ if (timeout != NULL)
+ TIMESPEC_TO_TIMEVAL (&tval, timeout);
+
+ retval = __select (nfds, readfds, writefds, exceptfds,
+ timeout != NULL ? &tval : NULL);
+
+ /* Change the result back. The remaining time must be made
+ available to the caller. */
+ if (timeout != NULL)
+ TIMEVAL_TO_TIMESPEC (&tval, timeout);
+
+ return retval;
+}
+weak_alias (__pselect, pselect)
diff --git a/sysdeps/generic/sbrk.c b/sysdeps/generic/sbrk.c
index de7794697d..698f814e2b 100644
--- a/sysdeps/generic/sbrk.c
+++ b/sysdeps/generic/sbrk.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1995 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1995, 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or modify
@@ -30,7 +30,11 @@ __sbrk (ptrdiff_t increment)
{
void *oldbrk;
- if (__curbrk == 0 && __brk (0) < 0)
+ /* Always update __curbrk from the kernel's brk value. That way two
+ separate instances of __brk and __sbrk can share the heap, returning
+ interleaved pieces of it. This happens when libc.so is loaded by
+ dlopen in a statically-linked program that already uses __brk. */
+ if (__brk (0) < 0)
return (void *) -1;
if (increment == 0)
diff --git a/sysdeps/generic/sys/socket.h b/sysdeps/generic/sys/socket.h
index 759ff3b9b2..6ee3ebe52e 100644
--- a/sysdeps/generic/sys/socket.h
+++ b/sysdeps/generic/sys/socket.h
@@ -321,6 +321,10 @@ extern int accept __P ((int __fd, __SOCKADDR_ARG __addr,
extern int shutdown __P ((int __fd, int __how));
+/* Determine whether FILDES if the property identified by the value if
+ FDTYPE. */
+extern int isfdtype __P ((int __fildes, int __fdtype));
+
__END_DECLS
#endif /* sys/socket.h */
diff --git a/sysdeps/posix/fpathconf.c b/sysdeps/posix/fpathconf.c
index 649a2a4c49..9b54b5f04a 100644
--- a/sysdeps/posix/fpathconf.c
+++ b/sysdeps/posix/fpathconf.c
@@ -136,6 +136,14 @@ DEFUN(__fpathconf, (fd, name), int fd AND int name)
#else
return -1;
#endif
+
+ case _PC_SOCK_MAXBUF:
+#ifdef SOCK_MAXBUF
+ return SOCK_MAXBUF;
+#else
+ errno = ENOSYS;
+ return -1;
+#endif
}
errno = ENOSYS;
diff --git a/sysdeps/posix/isfdtype.c b/sysdeps/posix/isfdtype.c
new file mode 100644
index 0000000000..9ac38a8b9f
--- /dev/null
+++ b/sysdeps/posix/isfdtype.c
@@ -0,0 +1,37 @@
+/* isfdtype - Determine whether descriptor has given property.
+Copyright (C) 1996 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <sys/stat.h>
+#include <sys/socket.h>
+
+int
+isfdtype (int fildes, int fdtype)
+{
+ struct stat st;
+ int result;
+
+ {
+ int save_error = errno;
+ result = fstat (fildes, &st);
+ errno = save_error;
+ }
+
+ return result ?: (st.st_mode & S_IFMT) == fdtype;
+}
diff --git a/sysdeps/posix/sysconf.c b/sysdeps/posix/sysconf.c
index a52258fee2..f0dbc23606 100644
--- a/sysdeps/posix/sysconf.c
+++ b/sysdeps/posix/sysconf.c
@@ -336,6 +336,104 @@ DEFUN(__sysconf, (name), int name)
return -1;
#endif
+ case _SC_PII:
+#ifdef _POSIX_PII
+ return 1;
+#else
+ return -1;
+#endif
+
+ case _SC_PII_XTI:
+#ifdef _POSIX_PII_XTI
+ return 1;
+#else
+ return -1;
+#endif
+
+ case _SC_PII_SOCKET:
+#ifdef _POSIX_PII_SOCKET
+ return 1;
+#else
+ return -1;
+#endif
+
+ case _SC_PII_INTERNET:
+#ifdef _POSIX_PII_INTERNET
+ return 1;
+#else
+ return -1;
+#endif
+
+ case _SC_PII_OSI:
+#ifdef _POSIX_PII_OSI
+ return 1;
+#else
+ return -1;
+#endif
+
+ case _SC_POLL:
+#ifdef _POSIX_POLL
+ return 1;
+#else
+ return -1;
+#endif
+
+ case _SC_SELECT:
+#ifdef _POSIX_SELECT
+ return 1;
+#else
+ return -1;
+#endif
+
+ case _SC_UIO_MAXIOV:
+#ifdef UIO_MAXIOV
+ return UIO_MAXIOV;
+#else
+ return -1;
+#endif
+
+ case _SC_PII_INTERNET_STREAM:
+#ifdef _POSIX_PII_INTERNET_STREAM
+ return 1;
+#else
+ return -1;
+#endif
+
+ case _SC_PII_INTERNET_DGRAM:
+#ifdef _POSIX_PII_INTERNET_DGRAM
+ return 1;
+#else
+ return -1;
+#endif
+
+ case _SC_PII_OSI_COTS:
+#ifdef _POSIX_PII_OSI_COTS
+ return 1;
+#else
+ return -1;
+#endif
+
+ case _SC_PII_OSI_CLTS:
+#ifdef _POSIX_PII_OSI_CLTS
+ return 1;
+#else
+ return -1;
+#endif
+
+ case _SC_PII_OSI_M:
+#ifdef _POSIX_PII_OSI_M
+ return 1;
+#else
+ return -1;
+#endif
+
+ case _SC_T_IOV_MAX:
+#ifdef _T_IOV_MAX
+ return _T_IOV_MAX;
+#else
+ return -1;
+#endif
+
case _SC_2_VERSION:
/* This is actually supposed to return the version
of the 1003.2 utilities on the system {POSIX2_VERSION}. */
diff --git a/sysdeps/stub/fpathconf.c b/sysdeps/stub/fpathconf.c
index 4f1f1d4a1d..75880fd647 100644
--- a/sysdeps/stub/fpathconf.c
+++ b/sysdeps/stub/fpathconf.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1995 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1995, 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -44,6 +44,7 @@ DEFUN(__fpathconf, (fd, name), int fd AND int name)
case _PC_NAME_MAX:
case _PC_PATH_MAX:
case _PC_PIPE_BUF:
+ case _PC_SOCK_MAXBUF:
case _PC_CHOWN_RESTRICTED:
case _PC_NO_TRUNC:
case _PC_VDISABLE:
diff --git a/sysdeps/stub/isfdtype.c b/sysdeps/stub/isfdtype.c
new file mode 100644
index 0000000000..560efd83fc
--- /dev/null
+++ b/sysdeps/stub/isfdtype.c
@@ -0,0 +1,29 @@
+/* isfdtype - Determine whether descriptor has given property. Stub version.
+Copyright (C) 1996 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+#include <sys/stat.h>
+
+
+int
+isfdtype (int fildes, int fdtype)
+{
+ errno = ENOSYS;
+ return -1;
+}
+stub_warning (isfdtype)
diff --git a/sysdeps/stub/sysconf.c b/sysdeps/stub/sysconf.c
index fc9ee84d13..816724ef52 100644
--- a/sysdeps/stub/sysconf.c
+++ b/sysdeps/stub/sysconf.c
@@ -59,6 +59,20 @@ DEFUN(__sysconf, (name), int name)
case _SC_SHARED_MEMORY_OBJECTS:
case _SC_VERSION:
+ case _SC_PII:
+ case _SC_PII_XTI:
+ case _SC_PII_SOCKET:
+ case _SC_PII_OSI:
+ case _SC_POLL:
+ case _SC_SELECT:
+ case _SC_UIO_MAXIOV:
+ case _SC_PII_INTERNET_STREAM:
+ case _SC_PII_INTERNET_DGRAM:
+ case _SC_PII_OSI_COTS:
+ case _SC_PII_OSI_CLTS:
+ case _SC_PII_OSI_M:
+ case _SC_T_IOV_MAX:
+
case _SC_BC_BASE_MAX:
case _SC_BC_DIM_MAX:
case _SC_BC_SCALE_MAX:
diff --git a/sysdeps/unix/sysv/linux/posix_opt.h b/sysdeps/unix/sysv/linux/posix_opt.h
index d336335fc3..c1ff431fc9 100644
--- a/sysdeps/unix/sysv/linux/posix_opt.h
+++ b/sysdeps/unix/sysv/linux/posix_opt.h
@@ -47,6 +47,12 @@ Boston, MA 02111-1307, USA. */
/* Setting of memory protections is supported. */
#define _POSIX_MEMORY_PROTECTION 1
+/* Implementation supports `poll' function. */
+#define _POSIX_POLL 1
+
+/* Implementation supports `select' and `pselect' functions. */
+#define _POSIX_SELECT 1
+
/* Only root can change owner of file. */
#define _POSIX_CHOWN_RESTRICTED 1
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-25 10:30:17 +0000