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Add a C++ helper class for working with shared buffers.

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This is a bit more comfortable than passing the shared buffer ID manually
everywhere and keeping track of size etc.
This commit is contained in:
Andreas Kling 2019-03-08 12:22:55 +01:00
parent 0b5d5fc3c9
commit eda0866992
14 changed files with 186 additions and 46 deletions
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4
LibC/unistd.h
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@ -14,9 +14,11 @@ __BEGIN_DECLS
extern char** environ;
int create_shared_buffer(pid_t peer_pid, size_t, void** buffer);
int create_shared_buffer(pid_t peer_pid, int, void** buffer);
void* get_shared_buffer(int shared_buffer_id);
int release_shared_buffer(int shared_buffer_id);
int seal_shared_buffer(int shared_buffer_id);
int get_shared_buffer_size(int shared_buffer_id);
int read_tsc(unsigned* lsw, unsigned* msw);
inline int getpagesize() { return 4096; }
pid_t fork();