Oct 24, 2008 · 65 #pragma is used to do something implementation-specific in C, i.e. be pragmatic for the current context rather than ideologically dogmatic. The one I regularly use is …

Apr 25, 2011 · Possible Duplicate: #pragma - help understanding I saw the pragma many times,but always confused, anyone knows what it does?Is it windows only?

Aug 3, 2017 · Pragma directives specify machine- or operating-specific compiler features. The __pragma keyword, which is specific to the Microsoft compiler, enables you to code pragma …

#pragma pack instructs the compiler to pack structure members with particular alignment. Most compilers, when you declare a struct, will insert padding between members to ensure that they …

Aug 14, 2010 · #pragma comment is a compiler directive which indicates Visual C++ to leave a comment in the generated object file. The comment can then be read by the linker when it …

For those who would like to use #pragma once and include guards together: If you are not using MSVC, then you won't get much optimization from #pragma once. And you shouldn't put …

#pragma is a preprocessor directive in its own right; it can't be used within a #define directive. So, this is why __pragma exists: it provides a way for a pragma to be issued from wherever the …

Instead of putting it on top of the file (or even a header file), just wrap the code in question with #pragma warning (push), #pragma warning (disable) and a matching #pragma warning (pop), …

Nov 24, 2023 · In this case, the store has the side effect of causing a page fault, and you want the compiler to preserve the page fault. This way, the surrounding code can still be optimized, and …

TI (CCS): There is a diag_suppress pragma with the same syntax (but different warning numbers!) as PGI: pragma diag_suppress 1291,1718 Oracle Developer Studio (ODS) (suncc): …