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Add deref(), add delete helper, refactor pre-alloc

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This commit is contained in:
Pragyansh Chaturvedi
2025-09-12 04:24:40 +05:30
parent 0950d0550c
commit a09e4e1bb6
5 changed files with 156 additions and 25 deletions
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44
examples/execve3.py
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@ -24,24 +24,19 @@ def hello(ctx: c_void_p) -> c_int32:
def hello_again(ctx: c_void_p) -> c_int64:
print("exited")
key = 0
delta = 0
tsp = last().lookup(key)
# if tsp:
# delta = (bpf_ktime_get_ns() - tsp.value)
# if delta < 1000000000:
# print("execve called within last second")
# last().delete(key)
x = 1
y = False
if x > 0:
if x < 2:
print(f"we prevailed {x}")
else:
print(f"we did not prevail {x}")
if True:
delta = ktime()
ddelta = deref(delta)
if ddelta < 1000000000:
print("execve called within last second")
last().delete(key)
ts = ktime()
last().update(key, ts)
st = "st"
last().update(key, ts)
# st = "st"
# last().update(key, ts)
keena = 2 + 1
# below breaks
@ -50,11 +45,32 @@ def hello_again(ctx: c_void_p) -> c_int64:
keema = 8 * 9
keesa = 10 - 11
keeda = 10 / 5
# x = 3
# y = False
# if x > 0:
# if x < 5:
# print(f"we prevailed {x}")
# else:
# print(f"we did not prevail {x}")
# ts = ktime()
# last().update(key, ts)
#
# st = "st"
# last().update(key, ts)
#
# keena = 2 + 1
# # below breaks
# # keela = keena + 1
# keema = 8 * 9
# keesa = 10 - 11
# keeda = 10 / 5
return c_int64(0)
@bpf
@bpfglobal
def LICENSE() -> str:
return "GPL"
compile()