diff options
Diffstat (limited to 'sysdeps/unix/sysv')
35 files changed, 1220 insertions, 78 deletions
diff --git a/sysdeps/unix/sysv/linux/Dist b/sysdeps/unix/sysv/linux/Dist index 340f8c641b..fa95317ec9 100644 --- a/sysdeps/unix/sysv/linux/Dist +++ b/sysdeps/unix/sysv/linux/Dist @@ -31,6 +31,12 @@ netinet/tcp.h netinet/udp.h netipx/ipx.h nfs/nfs.h +rt_sigaction.c +rt_sigprocmask.c +rt_sigqueueinfo.c +rt_sigreturn.c +rt_sigsuspend.c +rt_sigtimedwait.c scsi/sg.h sys/acct.h sys/debugreg.h @@ -41,6 +47,7 @@ sys/kdaemon.h sys/klog.h sys/mount.h sys/mtio.h +sys/pci.h sys/prctl.h sys/procfs.h sys/quota.h @@ -50,6 +57,7 @@ sys/sysctl.h sys/sysinfo.h sys/sysmacros.h sys/timex.h +sys/ultrasound.h sys/user.h sys/vt.h xstatconv.c diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile index 253bc26e94..ffea9ef4bb 100644 --- a/sysdeps/unix/sysv/linux/Makefile +++ b/sysdeps/unix/sysv/linux/Makefile @@ -16,7 +16,7 @@ sysdep_headers += sys/mount.h sys/acct.h sys/sysctl.h sys/mtio.h \ sys/user.h sys/sysmacros.h sys/procfs.h sys/prctl.h \ sys/debugreg.h sys/kd.h sys/soundcard.h sys/vt.h \ sys/quota.h sys/fsuid.h bits/mman.h \ - scsi/sg.h + scsi/sg.h sys/pci.h sys/ultrasound.h install-others += $(inst_includedir)/bits/syscall.h @@ -108,4 +108,10 @@ ifndef no_deps # Get the list of dependencies (probably /usr/include/linux/limits.h). -include $(common-objpfx)bits/stdio_lim.d endif + +ifeq ($(subdir),signal) +sysdep_routines += rt_sigsuspend rt_sigprocmask rt_sigtimedwait \ + rt_sigqueueinfo rt_sigaction +endif + common-generated += bits/stdio_lim.h bits/stdio_lim.d diff --git a/sysdeps/unix/sysv/linux/aio_sigqueue.c b/sysdeps/unix/sysv/linux/aio_sigqueue.c new file mode 100644 index 0000000000..b962396291 --- /dev/null +++ b/sysdeps/unix/sysv/linux/aio_sigqueue.c @@ -0,0 +1,54 @@ +/* Copyright (C) 1997 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 <aio.h> +#include <signal.h> +#include <unistd.h> + +#include "aio_misc.h" + +extern int __syscall_rt_sigqueueinfo (int, int, siginfo_t *); + +/* These variables are used quite often in the libc code. */ +extern pid_t __libc_pid; +extern uid_t __libc_uid; + + +/* Return any pending signal or wait for one for the given time. */ +int +__aio_sigqueue (sig, val) + int sig; + const union sigval val; +{ + siginfo_t info; + + /* We must pass the information about the data in a siginfo_t value. */ + info.si_signo = sig; + info.si_errno = 0; + info.si_code = SI_ASYNCIO; + + if (__libc_pid ==0xf00baa) + __libc_pid = __getpid (); + info.si_pid = __libc_pid; + + info.si_uid = __libc_uid; + + info.si_value = val; + + return __syscall_rt_sigqueueinfo (__libc_pid, sig, &info); +} diff --git a/sysdeps/unix/sysv/linux/arm/bits/mman.h b/sysdeps/unix/sysv/linux/arm/bits/mman.h new file mode 100644 index 0000000000..fcc0643290 --- /dev/null +++ b/sysdeps/unix/sysv/linux/arm/bits/mman.h @@ -0,0 +1,75 @@ +/* Definitions for POSIX memory map interface. Linux/ARM version. + Copyright (C) 1997 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. */ + +#ifndef _SYS_MMAN_H +# error "Never include this file directly. Use <sys/mman.h> instead" +#endif + +/* The following definitions basically come from the kernel headers. + But the kernel header is not namespace clean. */ + + +/* Protections are chosen from these bits, OR'd together. The + implementation does not necessarily support PROT_EXEC or PROT_WRITE + without PROT_READ. The only guarantees are that no writing will be + allowed without PROT_WRITE and no access will be allowed for PROT_NONE. */ + +#define PROT_READ 0x1 /* Page can be read. */ +#define PROT_WRITE 0x2 /* Page can be written. */ +#define PROT_EXEC 0x4 /* Page can be executed. */ +#define PROT_NONE 0x0 /* Page can not be accessed. */ + +/* Sharing types (must choose one and only one of these). */ +#define MAP_SHARED 0x01 /* Share changes. */ +#define MAP_PRIVATE 0x02 /* Changes are private. */ +#ifdef __USE_MISC +# define MAP_TYPE 0x0f /* Mask for type of mapping. */ +#endif + +/* Other flags. */ +#define MAP_FIXED 0x10 /* Interpret addr exactly. */ +#ifdef __USE_MISC +# define MAP_FILE 0 +# define MAP_ANONYMOUS 0x20 /* Don't use a file. */ +# define MAP_ANON MAP_ANONYMOUS +#endif + +/* These are Linux-specific. */ +#ifdef __USE_MISC +# define MAP_GROWSDOWN 0x0100 /* Stack-like segment. */ +# define MAP_DENYWRITE 0x0800 /* ETXTBSY */ +# define MAP_EXECUTABLE 0x1000 /* Mark it as an executable. */ +# define MAP_LOCKED 0x2000 /* Lock the mapping. */ +# define MAP_NORESERVE 0x4000 /* Don't check for reservations. */ +#endif + +/* Flags to `msync'. */ +#define MS_ASYNC 1 /* Sync memory asynchronously. */ +#define MS_SYNC 4 /* Synchronous memory sync. */ +#define MS_INVALIDATE 2 /* Invalidate the caches. */ + +/* Flags for `mlockall'. */ +#define MCL_CURRENT 1 /* Lock all currently mapped pages. */ +#define MCL_FUTURE 2 /* Lock all additions to address + space. */ + +/* Flags for `mremap'. */ +#ifdef __USE_GNU +# define MREMAP_MAYMOVE 1 +#endif diff --git a/sysdeps/unix/sysv/linux/bits/local_lim.h b/sysdeps/unix/sysv/linux/bits/local_lim.h index 7ce423061a..2674aa709e 100644 --- a/sysdeps/unix/sysv/linux/bits/local_lim.h +++ b/sysdeps/unix/sysv/linux/bits/local_lim.h @@ -1,5 +1,5 @@ /* Minimum guaranteed maximum values for system limits. Linux version. - Copyright (C) 1993, 1994, 1995, 1996 Free Software Foundation, Inc. + Copyright (C) 1993, 1994, 1995, 1996, 1997 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 @@ -19,3 +19,7 @@ /* The kernel sources contain a file with all the needed information. */ #include <linux/limits.h> + +/* Maximum amount by which a process can descrease its asynchronous I/O + priority level. */ +#define AIO_PRIO_DELTA_MAX 20 diff --git a/sysdeps/unix/sysv/linux/bits/posix_opt.h b/sysdeps/unix/sysv/linux/bits/posix_opt.h index e9f8b7f8f3..5ef6d0563d 100644 --- a/sysdeps/unix/sysv/linux/bits/posix_opt.h +++ b/sysdeps/unix/sysv/linux/bits/posix_opt.h @@ -1,5 +1,5 @@ /* Define POSIX options for Linux. - Copyright (C) 1996 Free Software Foundation, Inc. + Copyright (C) 1996, 1997 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 @@ -67,7 +67,13 @@ /* Filenames are not silently truncated. */ #define _POSIX_NO_TRUNC 1 +/* X/Open realtime support is available. */ +#define _XOPEN_REALTIME 1 + /* XPG4.2 shared memory is supported. */ #define _XOPEN_SHM 1 +/* Real-time signals are supported. */ +#define _POSIX_REALTIME_SIGNALS 1 + #endif /* bits/posix_opt.h */ diff --git a/sysdeps/unix/sysv/linux/bits/sigaction.h b/sysdeps/unix/sysv/linux/bits/sigaction.h index 1806bb2e92..b6637e5205 100644 --- a/sysdeps/unix/sysv/linux/bits/sigaction.h +++ b/sysdeps/unix/sysv/linux/bits/sigaction.h @@ -25,7 +25,16 @@ struct sigaction { /* Signal handler. */ - __sighandler_t sa_handler; + union + { + /* Used if SA_SIGINFO is not set. */ + __sighandler_t sa_handler; + /* Used if SA_SIGINFO is set. */ + void (*sa_sigaction) __P ((int, siginfo_t *, void *)); + } + __sigaction_handler; +#define sa_handler __sigaction_handler.sa_handler +#define sa_sigaction __sigaction_handler.sa_sigaction /* Additional set of signals to be blocked. */ __sigset_t sa_mask; @@ -39,17 +48,22 @@ struct sigaction /* Bits in `sa_flags'. */ #define SA_NOCLDSTOP 1 /* Don't send SIGCHLD when children stop. */ -#ifdef __USE_MISC -# define SA_STACK 0x08000000 /* Use signal stack by using `sa_restorer'. */ +#define SA_SIGINFO 4 /* Invoke signal-catching function with + three arguments instead of one. */ +#if defined __USE_UNIX98 || defined __USE_MISC +# define SA_ONSTACK 0x08000000 /* Use signal stack by using `sa_restorer'. */ # define SA_RESTART 0x10000000 /* Restart syscall on signal return. */ -# define SA_INTERRUPT 0x20000000 /* Historical no-op. */ # define SA_NODEFER 0x40000000 /* Don't automatically block the signal when its handler is being executed. */ # define SA_RESETHAND 0x80000000 /* Reset to SIG_DFL on entry to handler. */ +#endif +#ifdef __USE_MISC +# define SA_INTERRUPT 0x20000000 /* Historical no-op. */ /* Some aliases for the SA_ constants. */ # define SA_NOMASK SA_NODEFER # define SA_ONESHOT SA_RESETHAND +# define SA_STACK SA_ONSTACK #endif /* Values for the HOW argument to `sigprocmask'. */ diff --git a/sysdeps/unix/sysv/linux/bits/siginfo.h b/sysdeps/unix/sysv/linux/bits/siginfo.h new file mode 100644 index 0000000000..42030abc4f --- /dev/null +++ b/sysdeps/unix/sysv/linux/bits/siginfo.h @@ -0,0 +1,257 @@ +/* siginfo_t, sigevent and constants. Linux version. + Copyright (C) 1997 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. */ + +#ifndef _SIGNAL_H +# error "Never include this file directly. Use <signal.h> instead" +#endif + +#define SI_MAX_SIZE 128 +#define SI_PAD_SIZE ((SI_MAX_SIZE / sizeof (int)) - 3) + +typedef struct siginfo + { + int si_signo; /* Signal number. */ + int si_errno; /* If non-zero, an errno value associated with + this signal, as defined in <errno.h>. */ + int si_code; /* Signal code. */ + + union + { + int _pad[SI_PAD_SIZE]; + + /* kill(). */ + struct + { + __pid_t si_pid; /* Sending process ID. */ + __uid_t si_uid; /* Real user ID of sending process. */ + } _kill; + + /* POSIX.1b timers. */ + struct + { + unsigned int _timer1; + unsigned int _timer2; + } _timer; + + /* POSIX.1b signals. */ + struct + { + __pid_t si_pid; /* Sending process ID. */ + __uid_t si_uid; /* Real user ID of sending process. */ + sigval_t si_sigval; /* Signal value. */ + } _rt; + + /* SIGCHLD. */ + struct + { + __pid_t si_pid; /* Which child. */ + int si_status; /* Exit value or signal. */ + __clock_t si_utime; + __clock_t si_stime; + } _sigchld; + + /* SIGILL, SIGFPE, SIGSEGV, SIGBUS. */ + struct + { + void *si_addr; /* Faulting insn/memory ref. */ + } _sigfault; + + /* SIGPOLL. */ + struct + { + int si_band; /* Band event for SIGPOLL. */ + int si_fd; + } _sigpoll; + } _sifields; + } siginfo_t; + + +/* X/Open requires some more fields with fixed names. */ +#define si_pid _sifields._kill.si_pid +#define si_uid _sifields._kill.si_uid +#define si_status _sifields._sigchld.si_status +#define si_utime _sifields._sigchld.si_utime +#define si_stime _sifields._sigchld.si_stime +#define si_value _sifields._rt.si_sigval +#define si_int _sifields._rt.si_sigval.sival_int +#define si_ptr _sifields._rt.si_sigval.sival_ptr +#define si_addr _sifields._sigfault.si_addr +#define si_band _sifields._sigpoll.si_band +#define si_fd _sifields._sigpoll.si_fd + + +/* Values for `si_code'. Positive values are reserved for kernel-generated + signals. */ +enum +{ + SI_ASYNCIO = -4, /* Sent by AIO completion. */ +#define SI_ASYNCIO SI_ASYNCIO + SI_MESGQ, /* Sent by real time mesq state change. */ +#define SI_MESGQ SI_MESGQ + SI_TIMER, /* Sent by timer expiration. */ +#define SI_TIMER SI_TIMER + SI_QUEUE, /* Sent by sigqueue. */ +#define SI_QUEUE SI_QUEUE + SI_USER /* Sent by kill, sigsend, raise. */ +#define SI_USER SI_USER +}; + + +/* `si_code' values for SIGILL signal. */ +enum +{ + ILL_ILLOPC = 1, /* Illegal opcode. */ +#define ILL_ILLOPC ILL_ILLOPC + ILL_ILL_OPN, /* Illegal operand. */ +#define ILL_ILLOPN ILL_ILLOPN + ILL_ILLADR, /* Illegal addressing mode. */ +#define ILL_ILLADR ILL_ILLADR + ILL_ILLTRP, /* Illegal trap. */ +#define ILL_ILLTRP ILL_ILLTRP + ILL_PRVOPC, /* Privileged opcode. */ +#define ILL_PRVOPC ILL_PRVOPC + ILL_PRVREG, /* Privileged register. */ +#define ILL_PRVREG ILL_PRVREG + ILL_COPROC, /* Coprocessor error. */ +#define ILL_COPROC ILL_COPROC + ILL_BADSTK /* Internal stack error. */ +#define ILL_BADSTK ILL_BADSTK +}; + +/* `si_code' values for SIGFPE signal. */ +enum +{ + FPE_INTDIV = 1, /* Integer divide by zero. */ +#define FPE_INTDIV FPE_INTDIV + FPE_INTOVF, /* Integer overflow. */ +#define FPE_INTOVF FPE_INTOVF + FPE_FLTDIV, /* Floating point divide by zero. */ +#define FPE_FLTDIV FPE_FLTDIV + FPE_FLTOVF, /* Floating point overflow. */ |