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exile.h
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c++: Retire exile_launch_trivial(), use std::enable_if

This commit is contained in:
Albert S. 2022-01-30 10:39:40 +01:00
parent 8cfb73568a
commit 97e2025758
2 changed files with 4 additions and 3 deletions
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5
exile.hpp
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@ -119,7 +119,7 @@ static int do_clone(int (*clonefn)(void *), void *launcharg)
}
template<typename T, typename U, typename ... Args>
T exile_launch_trivial(struct exile_policy *policy, U fn, Args && ... args)
typename std::enable_if_t<std::is_trivially_copyable_v<T>, T> exile_launch(struct exile_policy *policy, U fn, Args && ... args)
{
size_t mapsize = sizeof(T);
T * sharedbuf = (T *) mmap(NULL, mapsize , PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
@ -145,7 +145,8 @@ T exile_launch_trivial(struct exile_policy *policy, U fn, Args && ... args)
template<typename T, typename U, typename ... Args>
T exile_launch(struct exile_policy *policy, const std::function<size_t (const T &, char *, size_t)> &serializer, const std::function<T(const char *, size_t)> &deserializer, U fn, Args && ... args)
typename std::enable_if_t<!std::is_trivially_copyable_v<T> && std::is_copy_constructible_v<T>, T>
exile_launch(struct exile_policy *policy, const std::function<size_t (const T &, char *, size_t)> &serializer, const std::function<T(const char *, size_t)> &deserializer, U fn, Args && ... args)
{
size_t mapsize = EXILE_MMAP_SIZE;
char *sharedbuf = (char *) mmap(NULL, mapsize , PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);

2
test.cpp
View File

@ -35,7 +35,7 @@ int incrementer(int arg)
int test_exile_launch_trivial()
{
int u = 22;
int result = exile_launch_trivial<int>(exile_init_policy(), &incrementer, u);
int result = exile_launch<int>(exile_init_policy(), &incrementer, u);
assert(result == 23);
return 0;
}