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Commit Graph

387 Commits

Author SHA1 Message Date
Theodore Dubois
82ad92d010 Stub renameat2 
Fixes #312
 2019-02-12 14:54:27 -08:00
Theodore Dubois
33fbd2dfd1 Unbreak shebang argument passing 2019-02-09 09:43:16 -08:00
Theodore Dubois
c3217ca7d1 Revolutionize E2BIG 2019-02-07 23:42:30 -08:00
Theodore Dubois
eb6cd79745 Speed up copy-on-write and unmap operations 2019-02-04 20:15:55 -08:00
Theodore Dubois
93bc13d924 Fix tsan warnings 2019-02-04 18:53:42 -08:00
Theodore Dubois
d81c4c4539 Add stub for sync() 2019-02-03 22:44:05 -08:00
Theodore Dubois
8c5c694693 Fix execve with 256 arguments 2019-02-01 17:37:33 -08:00
Theodore Dubois
f784c6db2d Prevent buffer overflow when debug logging a very long argument list 2019-02-01 17:30:47 -08:00
Theodore Dubois
7e4c9d45cb Return 0 from wait with WNOHANG if child exists 2019-02-01 10:39:51 -08:00
Theodore Dubois
356cd0230f Add missing newline on dump_stack output 2019-02-01 09:45:07 -08:00
Theodore Dubois
22b0b0e5f0 Load shared libraries with no interpreter into mmap region 2019-01-31 22:40:03 -08:00
Theodore Dubois
34c377c87d Improve controlling tty reference counting 2019-01-31 17:57:12 -08:00
Theodore Dubois
74c5d7cec6 Create inode data owned by fds 2019-01-29 15:02:48 -08:00
Theodore Dubois
724d5f2202 Make it possible to sanely edit files through the file provider 2019-01-29 13:06:52 -08:00
Theodore Dubois
dc8b4b4aef Autoincrement fake inodes, remove relationship with real inodes 2019-01-26 22:02:08 -08:00
Theodore Dubois
a916f874fd Make FIONBIO take an argument 2019-01-26 17:39:45 -08:00
Theodore Dubois
2f8c0afcbf Add sockrestart infrastructure 2019-01-26 17:39:22 -08:00
Theodore Dubois
452eef532d Use malloc for syslog_read buffer 2019-01-24 20:12:36 -08:00
Theodore Dubois
db1ce07b42 Make FIONBIO work with real files 2019-01-24 10:59:07 -08:00
Theodore Dubois
63e1b90a3c Send SIGCHLD when a child process stops 
This fixes midnight commander hanging.
 2019-01-23 17:30:30 -08:00
Theodore Dubois
141c201cf3 Use pthread_setname_np to make threads easier to identify in a debugger 2019-01-23 16:52:21 -08:00
Theodore Dubois
488b0c3967 Avoid locking pids_lock and tty->lock when sending signals 2019-01-22 12:55:37 -08:00
Theodore Dubois
4da246affb Correctly handle termios of pseudoterminals 2019-01-22 12:49:04 -08:00
Theodore Dubois
d6ca8f99a0 Release files retained by poll 2019-01-21 12:21:00 -08:00
Theodore Dubois
088e7b727d Implement ptys 
Also a bunch of somewhat related changes, I was too lazy to break this into more than one commit
 2019-01-21 12:20:43 -08:00
Theodore Dubois
21a2db30e5 Ignore flags argument to fchmodat, like the kernel does 2019-01-21 11:38:06 -08:00
Theodore Dubois
b4a24b0eb4 Stop ignoring -Winitializer-overrides 2019-01-13 17:30:08 -05:00
Theodore Dubois
cfc2017948 Fix out of bounds write in readlink 2019-01-12 16:49:24 -08:00
Theodore Dubois
0c788b79d9 Improve dump_stack output 2019-01-12 12:47:22 -08:00
Theodore Dubois
7a82537309 Revert "Use a read lock on pagetables while reading/writing user memory" 
This reverts commit 230678d93e10f61ca205471ee230eab9a1877b9d.

It was hanging on Linux and I was too lazy to debug lol.
 2019-01-11 15:04:54 -08:00
Theodore Dubois
f658d6335b Limit the size of logged execve arguments 2019-01-11 16:58:35 -05:00
Theodore Dubois
ff83d8e267 Fix fd leaks on device nodes 2019-01-11 14:28:29 -05:00
Theodore Dubois
5aeb536d61 Copy all the fields of struct mm 2019-01-10 19:12:12 -05:00
Theodore Dubois
328fc5b4a4 Fix leak of exefile 2019-01-10 10:36:10 -05:00
Theodore Dubois
230678d93e Use a read lock on pagetables while reading/writing user memory 2019-01-10 08:40:35 -05:00
Theodore Dubois
e5ca15aeb2 Make SIGKILL work on a stopped process 2019-01-08 09:24:46 -05:00
Theodore Dubois
842da480bf Correctly handle spurious wakeups in wait4 2019-01-07 11:40:49 -08:00
Theodore Dubois
c14eca8ae7 Fix a couple of segfaults in midnight commander 2019-01-06 17:13:34 -08:00
Theodore Dubois
1265ff32c3 Fix zsh sometimes hanging in sigsuspend 2019-01-06 11:09:26 -08:00
Theodore Dubois
aed7f5fb38 Fix some thread sanitizer warnings 2019-01-06 09:02:31 -08:00
Theodore Dubois
d0d59ac376 Be less woke 2019-01-06 08:05:11 -08:00
Theodore Dubois
89d5b7f69a Resolve -Wsign-compare 2019-01-05 18:11:16 -08:00
Theodore Dubois
1b22ddb9bd Resolve -Wmissing-field-initializers 2019-01-05 17:29:11 -08:00
Theodore Dubois
a0ca767db6 Rewrite syslog buffer to use a generic fifo 
Trivia: I wrote this ring buffer implementation in half an hour during a Google interview and it somehow works better than the old one which took me half a day.
 2019-01-05 17:24:32 -08:00
Theodore Dubois
032a218a63 Mark unused function arguments 2019-01-05 17:18:54 -08:00
Theodore Dubois
b04f6f1b3b Remove some unnecessary function arguments 2019-01-05 17:18:54 -08:00
Theodore Dubois
a0d2a12f3b Implement /proc/pid/cmdline and /proc/pid/exe 2019-01-04 18:53:17 -08:00
Theodore Dubois
5cfec48854 Separate out some components of struct mem into struct mm 2019-01-04 15:17:37 -08:00
Theodore Dubois
13fb417337 Correctly handle NULL sigset in sigprocmask 2019-01-03 21:15:52 -08:00
Theodore Dubois
923571fe16 Start signal stack at bottom of alternate stack, not top 
😀🔫
 2019-01-03 18:04:15 -08:00