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* 9term: use openpty on NetBSDNicola Girardi2020-12-301-0/+16
| | | | Fixes #376.
* devdraw: add /usr/X11R7 for NetBSDRuss Cox2020-12-301-0/+2
| | | | Fixes #362.
* libthread: simplifyRuss Cox2020-12-3021-1469/+11
| | | | | | | | Now that everything uses pthreads and pthreadperthread, can delete various conditionals, all the custom context code, and so on. Also update documents. Fixes #355.
* libthread: make pthreadperthread the defaultRuss Cox2020-12-301-1/+1
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* libthread: fix pthreadperthread bugsRuss Cox2020-12-302-107/+187
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* libthread: add threadmaybackgroundRuss Cox2020-12-3017-7/+93
| | | | | | | | Programs that want to background themselves now need to define threadmaybackground returning 1. This avoids a confusing (to people and debuggers) extra parent process for all the threaded programs that will never want to background themselves.
* libthread: delete NetBSD special caseRuss Cox2020-12-304-465/+4
| | | | | | | I added a direct call from thread.c to pthread.c's _threadpthreadstart in May, and no one has complained about NetBSD being broken. So probably no one is using this on NetBSD at all. Make pthread the only option.
* libthread: fix use after free of first thread in each procRuss Cox2020-12-151-1/+9
| | | | | | This was causing sporadic but frequent crashes at startup in 9pserve on the new M1 Macs, correctly diagnosing a use-after-free.
* time: print 1s of millisecondsRuss Cox2020-12-151-3/+3
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* all: a few more #define tricks for AIXRuss Cox2020-08-152-0/+36
| | | | | | This should make the AIX build finally work. Fixes #400.
* fontsrv: fix handling of colored glyphs (emoji)Russ Cox2020-08-151-5/+17
| | | | | | | Drawing as white on black to produce a mask only works if the white on black is the inversion of black on white. Emoji that force use of specific colors don't respect that. Draw black on white and invert to mask separately.
* touch: fix for OpenBSD.James Cook2020-08-081-1/+1
| | | | | | | | This fixes https://github.com/9fans/plan9port/issues/436 This doesn't necessarily address the underlying issue: calling p9create with mode = OREAD should probably be allowed, but currently doesn't work on OpenBSD.
* devdraw, libdraw: fix memory leaks by freeing getns() malloced string (#431)Igor Böhm2020-07-222-4/+11
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* acme: add font control messageRuss Cox2020-07-181-0/+18
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* src/cmd: rm dformatRuss Cox2020-06-221-108/+0
| | | | | | | | | | | Unclear why it is here (wkj added it long ago). It has never been installed into $PLAN9/bin, so it's doubtful that anyone has ever used it. Arnold Robbins has an alternate version at https://github.com/arnoldrobbins/dformat. Fixes #421.
* libthread: use libc functions in ucontext for macOS (#417)Xiao-Yong2020-06-153-81/+3
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* fontsrv: fix compilation on X11 (#420)Gregor Best2020-06-041-0/+1
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* ed: handle Unicode beyond the BMP correctly in list mode.sean2020-05-291-9/+32
| | | | | | | | | List mode was constrained to the BMP. This change introduces the following new list mode convention, using Go string literal syntax: Non-printing ASCII characters display as \xhh. Non-ASCII characters in the BMP display as \uhhhh. Characters beyond the BMP display as \Uhhhhhhhh.
* devdraw: accept 5- and 6-byte Unicode hex valuesRuss Cox2020-05-291-8/+31
| | | | | | Alt X 1234 for U+1234 Alt X X 12345 for U+12345 Alt X X X 103456 for U+103456.
* fontsrv: scale f->originy to match f->height on x11dzklaim2020-05-291-1/+1
| | | Co-authored-by: dzklaim <smmoth.rp@gmail.com>
* fontsrv: handle non-BMP runes on X11Russ Cox2020-05-294-43/+44
| | | | | Have to adjust algorithms to deal with much larger number of subfont files as well.
* libdraw: handle larger number of subfontsRuss Cox2020-05-291-1/+1
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* devdraw, libdraw: handle keyboard runes > U+FFFFRuss Cox2020-05-185-5/+25
| | | | | | | | | | | Runes in Plan 9 were limited to the 16-bit BMP when I drew up the RPC protocol between graphical programs and devdraw a long time ago. Now that they can be 32-bit, use a 32-bit wire encoding too. A new message number to avoid problems with other clients (like 9fans.net/go). Add keyboard shortcut alt : , for U+1F602, face with tears of joy, to test that it all works.
* build: use installbsd instead of install on AIXRuss Cox2020-05-185-7/+4
| | | | Even in mkmk.sh.
* rc: avoid problematic internal names "var", "thread"Russ Cox2020-05-181-0/+6
| | | | For AIX.
* acme: avoid global named "class"Russ Cox2020-05-181-0/+3
| | | | For AIX.
* libdiskfs: avoid problematic internal constant namesRuss Cox2020-05-182-0/+66
| | | | AIX defines some of these constants in its C header files.
* diff: rename class to fix AIXRuss Cox2020-05-181-0/+3
| | | | math.h defines a function named class on AIX.
* devdraw: use indirect impl interface in x11Gabriel Diaz2020-05-181-0/+21
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* lib9: avoid unportable use of d_namlen in dirreadRuss Cox2020-05-181-2/+1
| | | | Fixes #395.
* devdraw: use global drawlk instead of per-clientRuss Cox2020-05-173-18/+20
| | | | Setting up for a real window system.
* devdraw: use indirect impl interfaceRuss Cox2020-05-174-30/+61
| | | | Setting up for a real window system.
* libthread: handle spurious _procsleep wakeups, fix $LIBTHREAD handlingRuss Cox2020-05-172-6/+26
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* libthread: add pthreadperthread mode and use under ASANRuss Cox2020-05-174-18/+120
| | | | | | | | | | | | | | | | | | ASAN can't deal with the coroutine stacks. In theory we can call into ASAN runtime to let it know about them, but ASAN still has problems with fork or exit happening from a non-system stack. Bypass all possible problems by just having a full OS thread for each libthread thread. The threads are still cooperatively scheduled within a proc (in thos mode, a group of OS threads). Setting the environment variable LIBTHREAD=pthreadperthread will enable the pthreadperthread mode, as will building with CC9FLAGS='-fsanitize=address' in $PLAN9/config. This solution is much more general than ASAN - for example if you are trying to find all the thread stacks in a reproducible crash you can use pthreadperthread mode with any debugger that knows only about OS threads.
* mk: replace overlapping strcpy with memmoveRuss Cox2020-05-171-1/+2
| | | | Found by ASAN.
* lib9: use opendir/readdir to read directoriesRuss Cox2020-05-171-183/+187
| | | | | | | | | | | | | getdirentries(2) has been deprecated on macOS since 10.5 (ten releases ago). Using it requires disabling 64-bit inodes, but that in turn makes binaries incompatible with some dynamic libraries, most notably ASAN. At some point getdirentries(2) will actually be removed. For both these reasons, switch to opendir/readdir. A little clunky since we have to keep the DIR* hidden away to preserve the int fd interfaces, but it lets us remove a bunch of OS-specific code too.
* lib9: move seek into open.cRuss Cox2020-05-174-12/+7
| | | | More preparation for opendir.
* lib9: add closeRuss Cox2020-05-171-0/+7
| | | | More preparation for opendir.
* lib9: merge create, open, dirread into open.cRuss Cox2020-05-175-292/+273
| | | | Preparation for using opendir.
* fmt: adjust GCC version checkKurt H Maier2020-05-081-2/+2
| | | | atomics were added in GCC 4.9: https://gcc.gnu.org/gcc-4.9/changes.html
* all: fix #includes for AIX, add a few AIX "implementation" filesBen Huntsman2020-05-078-0/+21
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* mk: support Big Archive Format under AIXBen Huntsman2020-05-071-0/+4
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* all: update build scripts to fix AIX XL/C compatibilityBen Huntsman2020-05-073-2/+8
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* fmt: disable use of stdatomic on AIX XL C and old GCCRuss Cox2020-05-071-0/+21
| | | | | | C11 is apparently too new for these systems. Fixes #55.
* rc: clean up parser levels, disallow free carats on listsRuss Cox2020-05-054-31/+37
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* rc: allow unquoted = in command argumentsRuss Cox2020-05-042-10/+27
| | | | | | dd fans rejoice! Also helps with commands like go test -run=x.
* rc: move free carat handling into parserRuss Cox2020-05-044-74/+103
| | | | | | | | | | | | | | | | | | | | | | | | This fixes at least one shell script (printfont) that expected 'x'`{y}'z' to mean 'x'^`{y}^'z' as it now does. Before it meant: 'x'^`{y} 'z' One surprise is that adjacent lists get a free carat: (x y z)(1 2 3) is (x1 y2 z3) This doesn't affect any rc script in Plan 9 or plan9port.
* rc: move newline handling into parserRuss Cox2020-05-046-24/+67
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* rc: add recursive descent parserRuss Cox2020-05-0413-9/+730
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The old yacc-based parser is available with the -Y flag, which will probably be removed at some point. The new -D flag dumps a parse tree of the input, without executing it. This allows comparing the output of rc -D and rc -DY on different scripts to see that the two parsers behave the same. The rc paper ends by saying: It is remarkable that in the four most recent editions of the UNIX system programmer’s manual the Bourne shell grammar described in the manual page does not admit the command who|wc. This is surely an oversight, but it suggests something darker: nobody really knows what the Bourne shell’s grammar is. Even examination of the source code is little help. The parser is implemented by recursive descent, but the routines corresponding to the syntactic categories all have a flag argument that subtly changes their operation depending on the context. Rc’s parser is implemented using yacc, so I can say precisely what the grammar is. The new recursive descent parser here has no such flags. It is a straightforward translation of the yacc. The new parser will make it easier to handle free carats in more generality as well as potentially allow the use of unquoted = as a word character. Going through this exercise has highlighted a few dark corners here as well. For example, I was surprised to find that x >f | y >f x | y are different commands (the latter redirects y's output). It is similarly surprising that a=b x | y sets a during the execution of y. It is also a bit counter-intuitive x | y | z x | if(c) y | z are not both 3-phase pipelines. These are certainly not things we should change, but they are not entirely obvious from the man page description, undercutting the quoted claim a bit. On the other hand, who | wc is clearly accepted by the grammar in the manual page, and the new parser still handles that test case.
* acme: scale window bodies on resize, not including tag spaceRuss Cox2020-03-301-3/+5
| | | | This avoids reopening collapsed windows after a large vertical resize.
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