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Author SHA1 Message Date
Christian Göttsche
361877454f Cache PAGE_SIZE 
man:sysconf(3) states:
    The values obtained from these functions are system configuration constants.
    They do not change during the lifetime of a process.
 2020-10-19 14:42:35 +02:00
Christian Göttsche
0db398d4c3 Allow low and high value of CLAMP to be equal 
Can for example occur in RichString_setAttrn(), when pausing and
resuming process tracing:

    htop: RichString.c:56: void RichString_setAttrn(RichString *, int, int, int): Assertion `(0) < (this->chlen - 1)' failed.

    ./htop(backtrace+0x5b)[0x45d9eb]
    ./htop(CRT_handleSIGSEGV+0x189)[0x4ebab9]
    /lib/x86_64-linux-gnu/libpthread.so.0(+0x14140)[0x7fd249d35140]
    /lib/x86_64-linux-gnu/libc.so.6(gsignal+0x141)[0x7fd249b6ac41]
    /lib/x86_64-linux-gnu/libc.so.6(abort+0x123)[0x7fd249b54537]
    /lib/x86_64-linux-gnu/libc.so.6(+0x2540f)[0x7fd249b5440f]
    /lib/x86_64-linux-gnu/libc.so.6(+0x345c2)[0x7fd249b635c2]
    ./htop(RichString_setAttrn+0x234)[0x526de4]
    ./htop(RichString_setAttr+0x50)[0x5275c0]
    ./htop(Panel_draw+0x17b6)[0x514c26]
    ./htop(InfoScreen_run+0x305)[0x4fe7a5]
    ./htop[0x4d59d8]
    ./htop[0x5029cf]
    ./htop(ScreenManager_run+0x69f)[0x52a82f]
    ./htop(main+0x704)[0x4f8774]
    /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xea)[0x7fd249b55cca]
    ./htop(_start+0x2a)[0x4268ea]
 2020-10-19 14:13:58 +02:00
Benny Baumann
0f5262917f Make all required includes explicit 
Information as seen by IWYU 0.12 + clang 9 on Linux
 2020-10-18 20:09:05 +02:00
Benny Baumann
29346d0561 Provide basic configuration for IWYU 2020-10-18 20:07:12 +02:00
Daniel Lange
8c93f31809 Merge branch 'misaligned-struct-access' of BenBE/htop 
Closes #263
 2020-10-18 19:43:59 +02:00
Daniel Lange
8534dcb87c Merge branch 'strace-leaks' of BenBE/htop 
Closes #262
 2020-10-18 19:43:24 +02:00
Benny Baumann
3e5bc034e5 Ensure full initialization of all fields 2020-10-18 17:35:32 +02:00
Benny Baumann
4dfedd3930 Fix various file descriptor leaks 2020-10-18 17:35:32 +02:00
Benny Baumann
81543253cf Fix misaligned access inside taskstats structure 
Reported by UB sanitizer (alongside several other messages):
linux/LinuxProcessList.c:782:25: runtime error: member access within misaligned address 0x614000000264 for type 'struct taskstats', which requires 8 byte alignment
0x614000000264: note: pointer points here
  64 01 03 00 0a 00 00 00  00 00 00 00 02 00 00 00  00 00 00 00 4b c8 2e 00  00 00 00 00 3e 45 3c fd
              ^

The issue doesn't cause trouble on x86, but any architecture with stricter memory alignment requirements may inadvertedly break.
 2020-10-18 17:20:34 +02:00
Benny Baumann
c138d14897 Release old memory on error 
Avoids leaking memory upon realloc failure.
 2020-10-17 20:54:14 +02:00
Benny Baumann
5e4b182616 Combine XAlloc.[ch] into XUtils.[ch] 2020-10-17 20:54:14 +02:00
Benny Baumann
872e542f4e Rename StringUtils.[ch] to XUtils.[ch] 2020-10-16 20:30:21 +02:00
Benny Baumann
c6f04a9c5d Move xAsprintf, xSnprintf and xStrdup to StringUtils.h 2020-10-16 20:29:45 +02:00
Christian Göttsche
7cd093ce95 Add NetworkIOMeter 2020-10-16 20:00:14 +02:00
Christian Göttsche
a802961286 Generalize Meter value colors for IO 2020-10-16 20:00:14 +02:00
Christian Göttsche
e9246abff8 Misc Vector updates 
- Move swap() macro to source file and implement as function
- Implement Vector_get() and Vector_size() as inline functions
  to make them type safe and avoid lhs usage
- Comment comparison statistics, they are only needed for performance
  testing
 2020-10-16 19:47:34 +02:00
Christian Göttsche
a63cfc8b7c Refactor generating starttime string into Process class 2020-10-16 19:23:40 +02:00
Christian Göttsche
783be7711d Do not use extra starttime process field on Linux 2020-10-16 19:23:40 +02:00
Christian Göttsche
d744dac7ee Add SELinuxMeter 2020-10-16 19:20:07 +02:00
Christian Göttsche
af4f58d013 Misc conversion fixes 2020-10-16 19:16:53 +02:00
Christian Göttsche
1d00893110 Automatically detect if backtrace(3) needs -lexecinfo 2020-10-16 10:58:14 +02:00
Christian Göttsche
846fe8a71f Mark Vector parameter const for non-modifying functions 2020-10-15 20:45:39 +02:00
Christian Göttsche
3c08fa3c63 Keep building on errors 
Doing so allows for more than one error to be detected in builds
 2020-10-15 20:45:39 +02:00
Christian Göttsche
bfa7d1fbe2 Mark search parameter in Vector_indexOf const 2020-10-15 20:45:39 +02:00
Benny Baumann
2f9381d867 Keep building on errors 
Doing so allows for more than one error to be detected in builds
 2020-10-15 20:31:56 +02:00
Christian Göttsche
1df7fa387a Misc CRT cleanup 2020-10-14 14:28:02 +02:00
Christian Göttsche
59edb2e80c Enclose macro argument in parentheses 2020-10-13 14:56:01 +02:00
Christian Göttsche
7af06659e2 Mark remaining classes const 2020-10-13 14:56:01 +02:00
Christian Göttsche
5cc20e7cb2 Settings: do not save initial cpu count 
Not needed and confusing with ProcessList.cpuCount
 2020-10-12 13:15:23 +02:00
Christian Göttsche
9f5b50edd7 CPUMeter: avoid crashes and leaks in case the CPU count changes 
E.g. if the HT/SMT mode changes

Use separate data for sub-meters
Do not reuse drawData for maintainability
 2020-10-12 13:15:23 +02:00
Christian Göttsche
0b9a001498 Meter: use explicit type for drawData 2020-10-12 13:15:23 +02:00
Christian Göttsche
25022c219d Read CPU count every cycle to avoid issues when HT/SMT mode changes 2020-10-12 13:15:23 +02:00
Benny Baumann
601480003f Centralise fault handling 
This should be done as all platforms essentially did the same anyway and there was nothing platform specific.
 2020-10-12 13:06:12 +02:00
Christian Göttsche
b47bc667a2 Add key to pause process list updates 2020-10-12 13:04:00 +02:00
Christian Göttsche
fc301b7447 Compress size of default FunctionBar 2020-10-12 13:04:00 +02:00
Benny Baumann
55eafd3b39 Add conf*/ and callgrind.out.* to list of ignored files 2020-10-11 14:21:59 +02:00
Christian Göttsche
f8b9ced93f OpenFilesScreen update 
- Remove local types and function from header file
- Reduce OpenFiles_Data to neccessary size
- Print file access mode (r/w/u)
- Fix memory leak on consecutive items without an intermediate file item:

    ==15257==ERROR: LeakSanitizer: detected memory leaks

    Direct leak of 120 byte(s) in 12 object(s) allocated from:
        #0 0x48c864 in strdup (htop/htop+0x48c864)
        #1 0x542f68 in xStrdup htop/XAlloc.c:71:17
        #2 0x50e225 in OpenFilesScreen_getProcessData htop/OpenFilesScreen.c:112:25
        #3 0x50cd17 in OpenFilesScreen_scan htop/OpenFilesScreen.c:141:35
        #4 0x4fd3eb in InfoScreen_run htop/InfoScreen.c:81:35
        #5 0x4d58bb in actionLsof htop/Action.c:361:4
        #6 0x501766 in MainPanel_eventHandler htop/MainPanel.c:80:19
        #7 0x5289fa in ScreenManager_run htop/ScreenManager.c:227:19
        #8 0x4f748e in main htop/htop.c:300:4
        #9 0x7ff73e0d8cc9 in __libc_start_main csu/../csu/libc-start.c:308:16

    SUMMARY: AddressSanitizer: 120 byte(s) leaked in 12 allocation(s).
 2020-10-10 11:26:43 +02:00
Christian Göttsche
79ad39c718 Mark Object pointer to _display function const 2020-10-10 11:25:19 +02:00
Fynn Wulf
e5fdb80c7d Fix Hashtable_put to allow storing the same pointer 2020-10-09 12:23:16 +02:00
Christian Göttsche
f4439b1b60 Makefile sort correction 2020-10-09 10:40:54 +02:00
Christian Göttsche
41eea8a355 Mark process argument of Process_isThread const 2020-10-09 10:18:40 +02:00
Daniel Lange
7fa0f19ffd Merge branch 'master' of https://github.com/ryenus/htop 
Closes  #223
 2020-10-09 09:45:41 +02:00
ryenus
32a2caa692 use 'w' for command wrapping as 'M' is already used 
since 'M' is already used for sort-by-memory, as with:

    keys['M'] = actionSortByMemory;

reorder help info about shortcut keys
 2020-10-09 09:03:32 +08:00
Benny Baumann
4a78f4bb92 Some more locations for ARRAYSIZE 2020-10-08 15:37:03 +02:00
Benny Baumann
2970cae543 Handle parsing envID & VPid from process status file 
Fixes #55
Fixes #192
 2020-10-07 13:14:39 +02:00
Christian Göttsche
ba282cfe19 Mark Object instances const 2020-10-07 13:01:53 +02:00
Christian Göttsche
08d85e6143 Mark Object classes and Object class fields const 2020-10-07 13:01:53 +02:00
Benny Baumann
164051354f Replace copy loop by memmove in Vector_insert 
This is basically the same change like in Vector_take,
just in the opposite direction.
 2020-10-07 12:59:55 +02:00
Benny Baumann
1704c29b90 Use memmove for Vector_take 
Doing a quick check with callgrind this gives
an average reduction from 1804 cycles/call
down to 491 cycles/call on my test system.

The average was taken over about 40k calls.
 2020-10-07 12:59:55 +02:00
Daniel Lange
769df604b2 Set a -dev version to bug reports show a useful version and not the last release 2020-10-07 10:35:06 +02:00