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109 lines
4.6 KiB
Plaintext
109 lines
4.6 KiB
Plaintext
This patch corrects some errors in the Usignal interface for FreeBSD.
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--- m3/m3core/src/unix/freebsd-2/Usignal.i3.orig Mon Aug 12 15:47:48 1996
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+++ m3/m3core/src/unix/freebsd-2/Usignal.i3 Thu Jul 10 18:38:06 1997
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@@ -12,8 +12,6 @@
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(*** <signal.h> ***)
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- (* I don't know about all the indented values below from the
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- Linux implementation *)
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CONST
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SIGHUP = 1; (* hangup *)
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SIGINT = 2; (* interrupt *)
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@@ -23,27 +21,19 @@
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SIGIOT = 6; (* IOT instruction *)
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SIGEMT = 7; (* EMT instruction *)
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SIGFPE = 8; (* floating point exception *)
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- FPE_INTDIV_TRAP = 20; (* integer divide by zero *)
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- FPE_INTOVF_TRAP = 21; (* integer overflow *)
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- FPE_FLTOPERR_TRAP = 1; (* [floating operand error] *)
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- FPE_FLTDEN_TRAP = 2; (* [floating denormalized operand] *)
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- FPE_FLTDIV_TRAP = 3; (* [floating divide by zero] *)
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- FPE_FLTOVF_TRAP = 4; (* [floating overflow] *)
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- FPE_FLTUND_TRAP = 5; (* [floating underflow] *)
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- FPE_FLTINEX_TRAP = 6; (* [floating inexact result] *)
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- FPE_UUOP_TRAP = 7; (* [floating undefined opcode] *)
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- FPE_DATACH_TRAP = 8; (* [floating data chain exception] *)
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- FPE_FLTSTK_TRAP = 16; (* [floating stack fault] *)
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- FPE_FPA_ENABLE = 17; (* [FPA not enabled] *)
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- FPE_FPA_ERROR = 18; (* [FPA arithmetic exception] *)
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+ FPE_INTOVF_TRAP = 1; (* integer overflow *)
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+ FPE_INTDIV_TRAP = 2; (* integer divide by zero *)
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+ FPE_FLTDIV_TRAP = 3; (* floating/decimal divide by zero *)
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+ FPE_FLTOVF_TRAP = 4; (* floating overflow *)
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+ FPE_FLTUND_TRAP = 5; (* floating underflow *)
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+ FPE_FPU_NP_TRAP = 6; (* floating point unit not present *)
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+ FPE_SUBRNG_TRAP = 7; (* subrange out of bounds *)
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SIGKILL = 9; (* kill (cannot be caught or ignored) *)
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SIGBUS = 10; (* bus error *)
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- BUS_HWERR = 1; (* misc hardware error (e.g. timeout) *)
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- BUS_ALIGN = 2; (* hardware alignment error *)
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+ BUS_PAGE_FAULT = 12; (* page fault protection base *)
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+ BUS_SEGNP_FAULT = 26; (* segment not present *)
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+ BUS_STK_FAULT = 27; (* stack fault *)
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SIGSEGV = 11; (* segmentation violation *)
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- SEGV_NOMAP = 3; (* no mapping at the fault address *)
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- SEGV_PROT = 4; (* access exceeded protections *)
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- SEGV_OBJERR = 5; (* object returned errno value *)
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SIGSYS = 12; (* bad argument to system call *)
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SIGPIPE = 13; (* write on a pipe with no one to read it *)
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SIGALRM = 14; (* alarm clock *)
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@@ -61,9 +51,9 @@
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SIGVTALRM = 26; (* virtual time alarm *)
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SIGPROF = 27; (* profiling time alarm *)
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SIGWINCH = 28; (* window size changes *)
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- SIGLOST = 29; (* Sys-V rec lock: notify user upon server crash *)
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- SIGUSR1 = 30; (* User signal 1 (from SysV) *)
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- SIGUSR2 = 31; (* User signal 2 (from SysV) *)
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+ SIGINFO = 29; (* information request *)
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+ SIGUSR1 = 30; (* user defined signal 1 *)
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+ SIGUSR2 = 31; (* user defined signal 2 *)
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(* System V definitions *)
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SIGCLD = SIGCHLD;
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@@ -80,7 +70,8 @@
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struct_sigvec = RECORD
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sv_handler: SignalHandler; (* signal handler *)
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sv_mask: sigset_t; (* signal mask to apply *)
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- sv_flags: int; (* see signal options below *) END;
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+ sv_flags: int; (* see signal options below *)
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+ END;
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CONST
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@@ -101,16 +92,10 @@
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SIG_SETMASK = 3; (* Set block mask to this mask *)
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TYPE
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- SignalActionHandler = PROCEDURE (sig: int);
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- SignalRestoreHandler = PROCEDURE ();
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-
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struct_sigaction = RECORD
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- sa_handler : SignalActionHandler; (* signal handler *)
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+ sa_handler : SignalHandler; (* signal handler *)
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sa_mask : sigset_t; (* signals to block while in handler *)
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sa_flags : int; (* signal action flags *)
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- (* ow
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- sa_restorer : SignalRestoreHandler; (* restores interrupted state *)
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- *)
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END;
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struct_sigaction_star = UNTRACED REF struct_sigaction;
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@@ -206,9 +191,15 @@
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<*EXTERNAL*> PROCEDURE sigstack (VAR ss, oss: struct_sigstack): int;
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+(*** sigsuspend(2) - release blocked signals and wait for interrupt ***)
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+
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+<*EXTERNAL*>
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+PROCEDURE sigsuspend (VAR sigmask: sigset_t): int;
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(*** sigaction(2) - software signal facilities ***)
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+(* FIXME - This should probably use the VAR construct like the other
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+ platforms use. *)
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<*EXTERNAL*>
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PROCEDURE sigaction (sig: int; act, oact: struct_sigaction_star): int;
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