Alex Reece awreece
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| def swap(threaded_array, i, j): | |
| threaded_array.locks[i].lock() | |
| threaded_array.locks[j].lock() | |
| threaded_array.data[i], threaded_array.data[j] = \ | |
| threaded_array.data[j], threaded_array.data[i] | |
| threaded_array.locks[j].unlock() | |
| threaded_array.locks[i].unlock() |
awreece
/ gist:80a82306453df77ebb90
Created
September 10, 2014 06:41
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| memlib.c: In function 'mem_sbrk': | |
| memlib.c:64:13: error: 'sbrk' is deprecated (declared at /usr/include/unistd.h:582) [-Werror=deprecated-declarations] | |
| sbrk(incr) == (void *) -1) { | |
| ^ | |
| cc1: all warnings being treated as errors |
awreece
/ align (old code).c
Last active
August 29, 2015 14:05
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| // Align p to a multiple of w bytes | |
| static inline void* align(const void const* p, unsigned char w) { | |
| return (void*)(((uintptr_t)(p) + (w-1)) & ~(w-1)); | |
| } |
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| #ifndef NDEBUG | |
| #define ASSERT3(x, op, y) \ | |
| do { \ | |
| if (!((x) op (y))) { \ | |
| fprintf(stderr, "Assertion failure on %s:%d: " \ | |
| "expected " #x" (0x%lx) " #op \ | |
| " " #y " (0x%lx)\n\n", \ | |
| __FILE__, __LINE__, \ | |
| (uintptr_t)x, (uintptr_t)y); \ | |
| print_backtrace(0); \ |
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| void print_backtrace(int skip) { | |
| void *backtrace_array[MAX_STACK]; | |
| int stack_size = backtrace(backtrace_array, MAX_STACK); | |
| backtrace_symbols_fd(&backtrace_array[skip+1], | |
| stack_size - skip - 1, STDERR_FILENO); | |
| } | |
| void signal_backtrace(int signum) { | |
| fprintf(stderr, "%s\n\n", strsignal(signum)); | |
| print_backtrace(2); |
awreece
/ backtrace.c
Created
August 15, 2014 04:28
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| #include <stdio.h> | |
| #include <stdlib.h> | |
| #include <signal.h> | |
| #include <unistd.h> | |
| #include <string.h> | |
| #define UNW_LOCAL_ONLY | |
| #include <libunwind.h> | |
| #define MAX_FUNC_NAME 128 |
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| diff --git a/usr/src/common/avl/avl.c b/usr/src/common/avl/avl.c | |
| index dd39c12..f0e010d 100644 | |
| --- a/usr/src/common/avl/avl.c | |
| +++ b/usr/src/common/avl/avl.c | |
| @@ -863,6 +863,24 @@ avl_update(avl_tree_t *t, void *obj) | |
| return (B_FALSE); | |
| } | |
| +void | |
| +avl_swap(avl_tree_t *tree1, avl_tree_t *tree2) |
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| $ gcc -fPIC -shared -c myctor.c -o myctor.o | |
| $ gcc -fPIC -shared myctor.o -o libmyctor.so | |
| $ LD_PRELOAD=$(pwd)/libmyctor.so ls | |
| myctor | |
| libmyctor.so myctor.c myctor.o | |
| $ % dis -t .init libmyctor.so | |
| disassembly for libmyctor.so | |
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| <html> | |
| <TITLE>Course Web Page</TITLE> | |
| This course is about programming | |
| in C++. | |
| <li><a href="http://www.cs.fsu.edu/somefile.html">Click here</a> | |
| <!-- almost done! --> | |
| </html> |
awreece
/ gist:9030349
Last active
August 29, 2015 13:56
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| # pkg install pkg:/omniti/database/postgresql-926 | |
| pkg install: No matching version of omniti/database/postgresql-926 can be installed: | |
| Reject: pkg://ms.omniti.com/omniti/database/[email protected],5.11-0.151006:20131205T171425Z | |
| Reason: All versions matching 'require' dependency pkg:/[email protected],5.11-0.151006 are rejected | |
| Reject: pkg://omnios/[email protected],5.11-0.151006:20130506T161045Z | |
| Reason: Newer version pkg://omnios/[email protected],5.11-0.151008:20131204T022241Z is already installed | |
| This version is excluded by installed incorporation pkg://omnios/consolidation/osnet/[email protected],5.11-0.151008:20131204T022427Z | |
| This version is excluded by installed incorporation pkg://omnios/incorporation/jeos/illumos-gate@11,5.11-0.151008:20131204T024149Z | |
| Reject: pkg://omnios/[email protected],5.11-0.151008:20131204T022241Z | |
| Reason: All versions matching 'require' dependency pkg:/consolidation/osnet/osnet-incorporation are rejected |